diff --git a/app/Generator/Chart/Category/CategoryChartGenerator.php b/app/Generator/Chart/Category/CategoryChartGenerator.php
index de6891b556..f249b320bb 100644
--- a/app/Generator/Chart/Category/CategoryChartGenerator.php
+++ b/app/Generator/Chart/Category/CategoryChartGenerator.php
@@ -27,6 +27,14 @@ interface CategoryChartGenerator
      */
     public function earnedInYear(Collection $categories, Collection $entries);
 
+    /**
+     * @param Collection $categories
+     * @param Collection $entries
+     *
+     * @return array
+     */
+    public function earnedInPeriod(Collection $categories, Collection $entries);
+
     /**
      * @param Collection $entries
      *
diff --git a/app/Generator/Chart/Category/ChartJsCategoryChartGenerator.php b/app/Generator/Chart/Category/ChartJsCategoryChartGenerator.php
index 76c09790f2..88df36fd69 100644
--- a/app/Generator/Chart/Category/ChartJsCategoryChartGenerator.php
+++ b/app/Generator/Chart/Category/ChartJsCategoryChartGenerator.php
@@ -157,6 +157,39 @@ class ChartJsCategoryChartGenerator implements CategoryChartGenerator
 
     }
 
+    /**
+     * @param Collection $categories
+     * @param Collection $entries
+     *
+     * @return array
+     */
+    public function earnedInPeriod(Collection $categories, Collection $entries)
+    {
+
+        // language:
+        $format   = trans('config.month');
+
+        $data = [
+            'count'    => 0,
+            'labels'   => [],
+            'datasets' => [],
+        ];
+
+        foreach ($categories as $category) {
+            $data['labels'][] = $category->name;
+        }
+
+        foreach ($entries as $entry) {
+            $date = $entry[0]->formatLocalized($format);
+            array_shift($entry);
+            $data['count']++;
+            $data['datasets'][] = ['label' => $date, 'data' => $entry];
+        }
+
+        return $data;
+
+    }
+
     /**
      * @param Collection $entries
      *
diff --git a/app/Http/routes.php b/app/Http/routes.php
index 4ff527f2f8..2f580fe108 100644
--- a/app/Http/routes.php
+++ b/app/Http/routes.php
@@ -414,8 +414,8 @@ 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-year/{report_type}/{start_date}/{end_date}/{accountList}', ['uses' => 'Chart\CategoryController@spentInYear']);
-    Route::get('/chart/category/earned-in-year/{report_type}/{start_date}/{end_date}/{accountList}', ['uses' => 'Chart\CategoryController@earnedInYear']);
     Route::get(
         '/chart/category/multi-year/{report_type}/{start_date}/{end_date}/{accountList}/{categoryList}', ['uses' => 'Chart\CategoryController@multiYear']
     );