diff --git a/app/Http/Controllers/Chart/AccountController.php b/app/Http/Controllers/Chart/AccountController.php
index 5048553403..d403f56dc5 100644
--- a/app/Http/Controllers/Chart/AccountController.php
+++ b/app/Http/Controllers/Chart/AccountController.php
@@ -37,14 +37,14 @@ class AccountController extends Controller
     /**
      * Shows the balances for a given set of dates and accounts.
      *
-     * @param            $report_type
+     * @param            $reportType
      * @param Carbon     $start
      * @param Carbon     $end
      * @param Collection $accounts
      *
      * @return \Illuminate\Http\JsonResponse
      */
-    public function report($report_type, Carbon $start, Carbon $end, Collection $accounts)
+    public function report($reportType, Carbon $start, Carbon $end, Collection $accounts)
     {
         // chart properties for cache:
         $cache = new CacheProperties();
diff --git a/app/Http/Controllers/Chart/BudgetController.php b/app/Http/Controllers/Chart/BudgetController.php
index 767a87280b..386a10636c 100644
--- a/app/Http/Controllers/Chart/BudgetController.php
+++ b/app/Http/Controllers/Chart/BudgetController.php
@@ -40,7 +40,7 @@ class BudgetController extends Controller
      * TODO expand with no budget chart.
      *
      * @param BudgetRepositoryInterface $repository
-     * @param                           $report_type
+     * @param                           $reportType
      * @param Carbon                    $start
      * @param Carbon                    $end
      * @param Collection                $accounts
@@ -48,11 +48,11 @@ class BudgetController extends Controller
      *
      * @return \Illuminate\Http\JsonResponse
      */
-    public function multiYear(BudgetRepositoryInterface $repository, $report_type, Carbon $start, Carbon $end, Collection $accounts, Collection $budgets)
+    public function multiYear(BudgetRepositoryInterface $repository, $reportType, Carbon $start, Carbon $end, Collection $accounts, Collection $budgets)
     {
         // chart properties for cache:
         $cache = new CacheProperties();
-        $cache->addProperty($report_type);
+        $cache->addProperty($reportType);
         $cache->addProperty($start);
         $cache->addProperty($end);
         $cache->addProperty($accounts);
@@ -281,20 +281,20 @@ class BudgetController extends Controller
      * TODO expand with no budget chart.
      *
      * @param BudgetRepositoryInterface $repository
-     * @param                           $report_type
+     * @param                           $reportType
      * @param Carbon                    $start
      * @param Carbon                    $end
      * @param Collection                $accounts
      *
      * @return \Illuminate\Http\JsonResponse
      */
-    public function year(BudgetRepositoryInterface $repository, $report_type, Carbon $start, Carbon $end, Collection $accounts)
+    public function year(BudgetRepositoryInterface $repository, $reportType, Carbon $start, Carbon $end, Collection $accounts)
     {
         // chart properties for cache:
         $cache = new CacheProperties();
         $cache->addProperty($start);
         $cache->addProperty($end);
-        $cache->addProperty($report_type);
+        $cache->addProperty($reportType);
         $cache->addProperty($accounts);
         $cache->addProperty('budget');
         $cache->addProperty('year');
diff --git a/app/Http/Controllers/Chart/CategoryController.php b/app/Http/Controllers/Chart/CategoryController.php
index 6511dd92ac..3866463570 100644
--- a/app/Http/Controllers/Chart/CategoryController.php
+++ b/app/Http/Controllers/Chart/CategoryController.php
@@ -130,7 +130,7 @@ class CategoryController extends Controller
 
     /**
      * @param CategoryRepositoryInterface $repository
-     * @param                             $report_type
+     * @param                             $reportType
      * @param Carbon                      $start
      * @param Carbon                      $end
      * @param Collection                  $accounts
@@ -138,11 +138,11 @@ class CategoryController extends Controller
      *
      * @return \Illuminate\Http\JsonResponse
      */
-    public function multiYear(CategoryRepositoryInterface $repository, $report_type, Carbon $start, Carbon $end, Collection $accounts, Collection $categories)
+    public function multiYear(CategoryRepositoryInterface $repository, $reportType, Carbon $start, Carbon $end, Collection $accounts, Collection $categories)
     {
         // chart properties for cache:
         $cache = new CacheProperties();
-        $cache->addProperty($report_type);
+        $cache->addProperty($reportType);
         $cache->addProperty($start);
         $cache->addProperty($end);
         $cache->addProperty($accounts);
@@ -296,20 +296,20 @@ class CategoryController extends Controller
      * grouped by month.
      *
      * @param CategoryRepositoryInterface $repository
-     * @param                             $report_type
+     * @param                             $reportType
      * @param Carbon                      $start
      * @param Carbon                      $end
      * @param Collection                  $accounts
      *
      * @return \Illuminate\Http\JsonResponse
      */
-    public function earnedInPeriod(CategoryRepositoryInterface $repository, $report_type, Carbon $start, Carbon $end, Collection $accounts)
+    public function earnedInPeriod(CategoryRepositoryInterface $repository, $reportType, Carbon $start, Carbon $end, Collection $accounts)
     {
         $original = clone $start;
         $cache    = new CacheProperties; // chart properties for cache:
         $cache->addProperty($start);
         $cache->addProperty($end);
-        $cache->addProperty($report_type);
+        $cache->addProperty($reportType);
         $cache->addProperty($accounts);
         $cache->addProperty('category');
         $cache->addProperty('earned-in-period');
@@ -400,20 +400,20 @@ class CategoryController extends Controller
      * grouped by month.
      *
      * @param CategoryRepositoryInterface $repository
-     * @param                             $report_type
+     * @param                             $reportType
      * @param Carbon                      $start
      * @param Carbon                      $end
      * @param Collection                  $accounts
      *
      * @return \Illuminate\Http\JsonResponse
      */
-    public function spentInPeriod(CategoryRepositoryInterface $repository, $report_type, Carbon $start, Carbon $end, Collection $accounts)
+    public function spentInPeriod(CategoryRepositoryInterface $repository, $reportType, Carbon $start, Carbon $end, Collection $accounts)
     {
         $original = clone $start;
         $cache    = new CacheProperties; // chart properties for cache:
         $cache->addProperty($start);
         $cache->addProperty($end);
-        $cache->addProperty($report_type);
+        $cache->addProperty($reportType);
         $cache->addProperty($accounts);
         $cache->addProperty('category');
         $cache->addProperty('spent-in-period');
diff --git a/app/Http/Controllers/Chart/ReportController.php b/app/Http/Controllers/Chart/ReportController.php
index 9311589093..f289262064 100644
--- a/app/Http/Controllers/Chart/ReportController.php
+++ b/app/Http/Controllers/Chart/ReportController.php
@@ -36,14 +36,14 @@ class ReportController extends Controller
      * Summarizes all income and expenses, per month, for a given year.
      *
      * @param ReportQueryInterface $query
-     * @param                      $report_type
+     * @param                      $reportType
      * @param Carbon               $start
      * @param Carbon               $end
      * @param Collection           $accounts
      *
      * @return \Illuminate\Http\JsonResponse
      */
-    public function yearInOut(ReportQueryInterface $query, $report_type, Carbon $start, Carbon $end, Collection $accounts)
+    public function yearInOut(ReportQueryInterface $query, $reportType, Carbon $start, Carbon $end, Collection $accounts)
     {
         // chart properties for cache:
         $cache = new CacheProperties;
@@ -105,14 +105,14 @@ class ReportController extends Controller
      * Summarizes all income and expenses for a given year. Gives a total and an average.
      *
      * @param ReportQueryInterface $query
-     * @param                      $report_type
+     * @param                      $reportType
      * @param Carbon               $start
      * @param Carbon               $end
      * @param Collection           $accounts
      *
      * @return \Illuminate\Http\JsonResponse
      */
-    public function yearInOutSummarized(ReportQueryInterface $query, $report_type, Carbon $start, Carbon $end, Collection $accounts)
+    public function yearInOutSummarized(ReportQueryInterface $query, $reportType, Carbon $start, Carbon $end, Collection $accounts)
     {
 
         // chart properties for cache:
diff --git a/app/Http/Controllers/ReportController.php b/app/Http/Controllers/ReportController.php
index ccf47d7e4a..3ede022898 100644
--- a/app/Http/Controllers/ReportController.php
+++ b/app/Http/Controllers/ReportController.php
@@ -73,14 +73,14 @@ class ReportController extends Controller
     }
 
     /**
-     * @param            $report_type
+     * @param            $reportType
      * @param Carbon     $start
      * @param Carbon     $end
      * @param Collection $accounts
      *
      * @return View
      */
-    public function defaultYear($report_type, Carbon $start, Carbon $end, Collection $accounts)
+    public function defaultYear($reportType, Carbon $start, Carbon $end, Collection $accounts)
     {
         $incomeTopLength  = 8;
         $expenseTopLength = 8;
@@ -104,7 +104,7 @@ class ReportController extends Controller
         return view(
             'reports.default.year',
             compact(
-                'start', 'accountReport', 'incomes', 'report_type', 'accountIds', 'end',
+                'start', 'accountReport', 'incomes', 'reportType', 'accountIds', 'end',
                 'expenses', 'incomeTopLength', 'expenseTopLength'
             )
         );
@@ -112,14 +112,14 @@ class ReportController extends Controller
 
 
     /**
-     * @param            $report_type
+     * @param            $reportType
      * @param Carbon     $start
      * @param Carbon     $end
      * @param Collection $accounts
      *
      * @return View
      */
-    public function defaultMonth($report_type, Carbon $start, Carbon $end, Collection $accounts)
+    public function defaultMonth($reportType, Carbon $start, Carbon $end, Collection $accounts)
     {
         $incomeTopLength  = 8;
         $expenseTopLength = 8;
@@ -145,27 +145,27 @@ class ReportController extends Controller
         return view(
             'reports.default.month',
             compact(
-                'start', 'end', 'report_type',
+                'start', 'end', 'reportType',
                 'accountReport',
                 'incomes', 'incomeTopLength',
                 'expenses', 'expenseTopLength',
                 'budgets', 'balance',
                 'categories',
                 'bills',
-                'accountIds', 'report_type'
+                'accountIds', 'reportType'
             )
         );
     }
 
     /**
-     * @param $report_type
+     * @param $reportType
      * @param $start
      * @param $end
      * @param $accounts
      *
      * @return View
      */
-    public function defaultMultiYear($report_type, $start, $end, $accounts)
+    public function defaultMultiYear($reportType, $start, $end, $accounts)
     {
 
 
@@ -182,19 +182,19 @@ class ReportController extends Controller
         $accountIds = join(',', $accountIds);
 
         return view(
-            'reports.default.multi-year', compact('budgets', 'accounts', 'categories', 'start', 'end', 'accountIds', 'report_type')
+            'reports.default.multi-year', compact('budgets', 'accounts', 'categories', 'start', 'end', 'accountIds', 'reportType')
         );
     }
 
     /**
-     * @param            $report_type
+     * @param            $reportType
      * @param Carbon     $start
      * @param Carbon     $end
      * @param Collection $accounts
      *
      * @return View
      */
-    public function report($report_type, Carbon $start, Carbon $end, Collection $accounts)
+    public function report($reportType, Carbon $start, Carbon $end, Collection $accounts)
     {
         // throw an error if necessary.
         if ($end < $start) {
@@ -206,7 +206,7 @@ class ReportController extends Controller
             $start = Session::get('first');
         }
 
-        switch ($report_type) {
+        switch ($reportType) {
             default:
             case 'default':
 
@@ -223,14 +223,14 @@ class ReportController extends Controller
 
                 // more than one year date difference means year report.
                 if ($start->diffInMonths($end) > 12) {
-                    return $this->defaultMultiYear($report_type, $start, $end, $accounts);
+                    return $this->defaultMultiYear($reportType, $start, $end, $accounts);
                 }
                 // more than two months date difference means year report.
                 if ($start->diffInMonths($end) > 1) {
-                    return $this->defaultYear($report_type, $start, $end, $accounts);
+                    return $this->defaultYear($reportType, $start, $end, $accounts);
                 }
 
-                return $this->defaultMonth($report_type, $start, $end, $accounts);
+                return $this->defaultMonth($reportType, $start, $end, $accounts);
         }
 
 
diff --git a/app/Http/routes.php b/app/Http/routes.php
index ac043af6f3..21dec7d669 100644
--- a/app/Http/routes.php
+++ b/app/Http/routes.php
@@ -389,7 +389,7 @@ Route::group(
     // accounts:
     Route::get('/chart/account/frontpage', ['uses' => 'Chart\AccountController@frontpage']);
     Route::get('/chart/account/expense', ['uses' => 'Chart\AccountController@expenseAccounts']);
-    Route::get('/chart/account/report/{report_type}/{start_date}/{end_date}/{accountList}', ['uses' => 'Chart\AccountController@report']);
+    Route::get('/chart/account/report/{reportType}/{start_date}/{end_date}/{accountList}', ['uses' => 'Chart\AccountController@report']);
     Route::get('/chart/account/{account}', ['uses' => 'Chart\AccountController@single']);
 
 
@@ -401,8 +401,8 @@ Route::group(
     Route::get('/chart/budget/frontpage', ['uses' => 'Chart\BudgetController@frontpage']);
 
     // this chart is used in reports:
-    Route::get('/chart/budget/year/{report_type}/{start_date}/{end_date}/{accountList}', ['uses' => 'Chart\BudgetController@year']);
-    Route::get('/chart/budget/multi-year/{report_type}/{start_date}/{end_date}/{accountList}/{budgetList}', ['uses' => 'Chart\BudgetController@multiYear']);
+    Route::get('/chart/budget/year/{reportType}/{start_date}/{end_date}/{accountList}', ['uses' => 'Chart\BudgetController@year']);
+    Route::get('/chart/budget/multi-year/{reportType}/{start_date}/{end_date}/{accountList}/{budgetList}', ['uses' => 'Chart\BudgetController@multiYear']);
 
     Route::get('/chart/budget/{budget}/{limitrepetition}', ['uses' => 'Chart\BudgetController@budgetLimit']);
     Route::get('/chart/budget/{budget}', ['uses' => 'Chart\BudgetController@budget']);
@@ -411,10 +411,10 @@ Route::group(
     Route::get('/chart/category/frontpage', ['uses' => 'Chart\CategoryController@frontpage']);
 
     // these three charts are for reports:
-    Route::get('/chart/category/earned-in-period/{report_type}/{start_date}/{end_date}/{accountList}', ['uses' => 'Chart\CategoryController@earnedInPeriod']);
-    Route::get('/chart/category/spent-in-period/{report_type}/{start_date}/{end_date}/{accountList}', ['uses' => 'Chart\CategoryController@spentInPeriod']);
+    Route::get('/chart/category/earned-in-period/{reportType}/{start_date}/{end_date}/{accountList}', ['uses' => 'Chart\CategoryController@earnedInPeriod']);
+    Route::get('/chart/category/spent-in-period/{reportType}/{start_date}/{end_date}/{accountList}', ['uses' => 'Chart\CategoryController@spentInPeriod']);
     Route::get(
-        '/chart/category/multi-year/{report_type}/{start_date}/{end_date}/{accountList}/{categoryList}', ['uses' => 'Chart\CategoryController@multiYear']
+        '/chart/category/multi-year/{reportType}/{start_date}/{end_date}/{accountList}/{categoryList}', ['uses' => 'Chart\CategoryController@multiYear']
     );
 
     Route::get('/chart/category/{category}/period', ['uses' => 'Chart\CategoryController@currentPeriod']);
@@ -425,8 +425,8 @@ Route::group(
     Route::get('/chart/piggyBank/{piggyBank}', ['uses' => 'Chart\PiggyBankController@history']);
 
     // reports:
-    Route::get('/chart/report/in-out/{report_type}/{start_date}/{end_date}/{accountList}', ['uses' => 'Chart\ReportController@yearInOut']);
-    Route::get('/chart/report/in-out-sum/{report_type}/{start_date}/{end_date}/{accountList}', ['uses' => 'Chart\ReportController@yearInOutSummarized']);
+    Route::get('/chart/report/in-out/{reportType}/{start_date}/{end_date}/{accountList}', ['uses' => 'Chart\ReportController@yearInOut']);
+    Route::get('/chart/report/in-out-sum/{reportType}/{start_date}/{end_date}/{accountList}', ['uses' => 'Chart\ReportController@yearInOutSummarized']);
 
 
     /**
@@ -492,7 +492,7 @@ Route::group(
      * Report Controller
      */
     Route::get('/reports', ['uses' => 'ReportController@index', 'as' => 'reports.index']);
-    Route::get('/reports/report/{report_type}/{start_date}/{end_date}/{accountList}', ['uses' => 'ReportController@report', 'as' => 'reports.report']);
+    Route::get('/reports/report/{reportType}/{start_date}/{end_date}/{accountList}', ['uses' => 'ReportController@report', 'as' => 'reports.report']);
 
     /**
      * Search Controller
diff --git a/resources/twig/reports/default/month.twig b/resources/twig/reports/default/month.twig
index 4a1008753b..4b7a9401a5 100644
--- a/resources/twig/reports/default/month.twig
+++ b/resources/twig/reports/default/month.twig
@@ -1,7 +1,7 @@
 {% extends "./layout/default.twig" %}
 
 {% block breadcrumbs %}
-    {{ Breadcrumbs.renderIfExists(Route.getCurrentRoute.getName, start, end, report_type, accountIds) }}
+    {{ Breadcrumbs.renderIfExists(Route.getCurrentRoute.getName, start, end, reportType, accountIds) }}
 {% endblock %}
 
 {% block content %}
@@ -75,7 +75,7 @@
         // to report another URL:
         var startDate = '{{ start.format('Ymd') }}';
         var endDate = '{{ end.format('Ymd') }}';
-        var reportType = '{{ report_type }}';
+        var reportType = '{{ reportType }}';
         var accountIds = '{{ accountIds }}';
 
         var incomeTopLength = {{ incomeTopLength }};
diff --git a/resources/twig/reports/default/multi-year.twig b/resources/twig/reports/default/multi-year.twig
index 6e7b218791..1d1334b1b9 100644
--- a/resources/twig/reports/default/multi-year.twig
+++ b/resources/twig/reports/default/multi-year.twig
@@ -1,7 +1,7 @@
 {% extends "./layout/default.twig" %}
 
 {% block breadcrumbs %}
-    {{ Breadcrumbs.renderIfExists(Route.getCurrentRoute.getName, start, end, report_type, accountIds) }}
+    {{ Breadcrumbs.renderIfExists(Route.getCurrentRoute.getName, start, end, reportType, accountIds) }}
 {% endblock %}
 
 {% block content %}
@@ -125,7 +125,7 @@
         // to report another URL:
         var startDate = '{{ start.format('Ymd') }}';
         var endDate = '{{ end.format('Ymd') }}';
-        var reportType = '{{ report_type }}';
+        var reportType = '{{ reportType }}';
         var accountIds = '{{ accountIds }}';
     </script>
     <script type="text/javascript" src="js/reports/default/multi-year.js"></script>
diff --git a/resources/twig/reports/default/year.twig b/resources/twig/reports/default/year.twig
index d69be74f88..b54a71131d 100644
--- a/resources/twig/reports/default/year.twig
+++ b/resources/twig/reports/default/year.twig
@@ -1,7 +1,7 @@
 {% extends "./layout/default.twig" %}
 
 {% block breadcrumbs %}
-    {{ Breadcrumbs.renderIfExists(Route.getCurrentRoute.getName, start, end, report_type, accountIds) }}
+    {{ Breadcrumbs.renderIfExists(Route.getCurrentRoute.getName, start, end, reportType, accountIds) }}
 {% endblock %}
 
 {% block content %}
@@ -92,7 +92,7 @@
         // to report another URL:
         var startDate = '{{ start.format('Ymd') }}';
         var endDate = '{{ end.format('Ymd') }}';
-        var reportType = '{{ report_type }}';
+        var reportType = '{{ reportType }}';
         var accountIds = '{{ accountIds }}';