diff --git a/tests/controllers/BudgetControllerTest.php b/tests/controllers/BudgetControllerTest.php
index 9a397fc61d..81eea23b41 100644
--- a/tests/controllers/BudgetControllerTest.php
+++ b/tests/controllers/BudgetControllerTest.php
@@ -141,11 +141,19 @@ class BudgetControllerTest extends TestCase
 
     public function testPostUpdateIncome()
     {
+
+
         $budget = FactoryMuffin::create('FireflyIII\Models\Budget');
         $this->be($budget->user);
         $date = Carbon::now()->startOfMonth()->format('FY');
         Preferences::shouldReceive('set')->once()->withArgs(['budgetIncomeTotal' . $date, 1001]);
 
+        // language preference:
+        $language = FactoryMuffin::create('FireflyIII\Models\Preference');
+        $language->data = 'en';
+        $language->save();
+        Preferences::shouldReceive('get')->withAnyArgs()->andReturn($language);
+
         $this->call('POST', '/budgets/income', ['_token' => 'replaceme', 'amount' => 1001]);
         $this->assertResponseStatus(302);
         $this->assertRedirectedToRoute('budgets.index');
@@ -311,6 +319,12 @@ class BudgetControllerTest extends TestCase
         Amount::shouldReceive('getCurrencyCode')->andReturn('X');
         Amount::shouldReceive('getCurrencySymbol')->andReturn('X');
 
+        // language preference:
+        $language = FactoryMuffin::create('FireflyIII\Models\Preference');
+        $language->data = 'en';
+        $language->save();
+        Preferences::shouldReceive('get')->withAnyArgs()->andReturn($language);
+
 
         $this->call('GET', '/budgets/income');
         $this->assertResponseOk();
diff --git a/tests/controllers/GoogleChartControllerTest.php b/tests/controllers/GoogleChartControllerTest.php
index ed7bdf2969..8f443357b6 100644
--- a/tests/controllers/GoogleChartControllerTest.php
+++ b/tests/controllers/GoogleChartControllerTest.php
@@ -317,6 +317,12 @@ class GoogleChartControllerTest extends TestCase
         $repository->shouldReceive('journalsByExpenseAccount')->andReturn($journals);
         Preferences::shouldReceive('get')->withArgs(['showSharedReports', false])->once()->andReturn($preference);
 
+        // language preference:
+        $language = FactoryMuffin::create('FireflyIII\Models\Preference');
+        $language->data = 'en';
+        $language->save();
+        Preferences::shouldReceive('get')->withAnyArgs()->andReturn($language);
+
 
         $this->call('GET', '/chart/reports/income-expenses/2015');
         $this->assertResponseOk();
@@ -340,6 +346,12 @@ class GoogleChartControllerTest extends TestCase
         $repository->shouldReceive('journalsByExpenseAccount')->andReturn($journals);
         Preferences::shouldReceive('get')->withArgs(['showSharedReports', false])->once()->andReturn($preference);
 
+        // language preference:
+        $language = FactoryMuffin::create('FireflyIII\Models\Preference');
+        $language->data = 'en';
+        $language->save();
+        Preferences::shouldReceive('get')->withAnyArgs()->andReturn($language);
+
 
         $this->call('GET', '/chart/reports/income-expenses-sum/2015');
     }
diff --git a/tests/controllers/HomeControllerTest.php b/tests/controllers/HomeControllerTest.php
index d9491bac8c..10edfb7ed5 100644
--- a/tests/controllers/HomeControllerTest.php
+++ b/tests/controllers/HomeControllerTest.php
@@ -102,6 +102,12 @@ class HomeControllerTest extends TestCase
         $repository->shouldReceive('sumOfEverything')->once()->andReturn(1);
         $repository->shouldReceive('getFrontpageTransactions')->once()->andReturn($journals);
 
+        // language preference:
+        $language = FactoryMuffin::create('FireflyIII\Models\Preference');
+        $language->data = 'en';
+        $language->save();
+        Preferences::shouldReceive('get')->withAnyArgs()->andReturn($language);
+
 
         Amount::shouldReceive('getCurrencyCode')->andReturn('EUR');
         Amount::shouldReceive('format')->andReturn('xxx');
diff --git a/tests/controllers/JsonControllerTest.php b/tests/controllers/JsonControllerTest.php
index 8d34d94b9f..bb7f1a37c0 100644
--- a/tests/controllers/JsonControllerTest.php
+++ b/tests/controllers/JsonControllerTest.php
@@ -187,6 +187,12 @@ class JsonControllerTest extends TestCase
         Preferences::shouldReceive('get')->withArgs(['showSharedReports', false])->andReturn($pref);
         Preferences::shouldReceive('set')->withArgs(['showSharedReports', true]);
 
+        // language preference:
+        $language = FactoryMuffin::create('FireflyIII\Models\Preference');
+        $language->data = 'en';
+        $language->save();
+        Preferences::shouldReceive('get')->withAnyArgs()->andReturn($language);
+
         $this->call('GET', '/json/show-shared-reports/set');
         $this->assertResponseOk();
     }
@@ -202,6 +208,12 @@ class JsonControllerTest extends TestCase
 
         Preferences::shouldReceive('get')->withArgs(['showSharedReports', false])->andReturn($pref);
 
+        // language preference:
+        $language = FactoryMuffin::create('FireflyIII\Models\Preference');
+        $language->data = 'en';
+        $language->save();
+        Preferences::shouldReceive('get')->withAnyArgs()->andReturn($language);
+
 
         $this->call('GET', '/json/show-shared-reports');
         $this->assertResponseOk();
diff --git a/tests/controllers/PreferencesControllerTest.php b/tests/controllers/PreferencesControllerTest.php
index 2d843d2bed..67dfdfb80d 100644
--- a/tests/controllers/PreferencesControllerTest.php
+++ b/tests/controllers/PreferencesControllerTest.php
@@ -59,6 +59,12 @@ class PreferencesControllerTest extends TestCase
         Amount::shouldReceive('getAllCurrencies')->andReturn(new Collection);
         Amount::shouldReceive('getDefaultCurrency')->andReturn($currency);
 
+        // language preference:
+        $language = FactoryMuffin::create('FireflyIII\Models\Preference');
+        $language->data = 'en';
+        $language->save();
+        Preferences::shouldReceive('get')->withAnyArgs()->andReturn($language);
+
         $this->call('GET', '/preferences');
         $this->assertResponseOk();
     }
@@ -78,6 +84,12 @@ class PreferencesControllerTest extends TestCase
         Preferences::shouldReceive('set')->once()->withArgs(['viewRange', '1M']);
         Preferences::shouldReceive('set')->once()->withArgs(['budgetMaximum', 0]);
 
+        // language preference:
+        $language = FactoryMuffin::create('FireflyIII\Models\Preference');
+        $language->data = 'en';
+        $language->save();
+        Preferences::shouldReceive('get')->withAnyArgs()->andReturn($language);
+
 
         $this->call('POST', '/preferences', $data);
         $this->assertResponseStatus(302);
diff --git a/tests/controllers/ReportControllerTest.php b/tests/controllers/ReportControllerTest.php
index dfe6f6c0a7..6a3261274e 100644
--- a/tests/controllers/ReportControllerTest.php
+++ b/tests/controllers/ReportControllerTest.php
@@ -65,6 +65,12 @@ class ReportControllerTest extends TestCase
         $query->shouldReceive('balancedTransactionsSum')->withAnyArgs()->andReturn(100);
         $helper->shouldReceive('getBudgetsForMonth')->withAnyArgs()->andReturn($budgets);
 
+        // language preference:
+        $language = FactoryMuffin::create('FireflyIII\Models\Preference');
+        $language->data = 'en';
+        $language->save();
+        Preferences::shouldReceive('get')->withAnyArgs()->andReturn($language);
+
 
         $this->call('GET', '/reports/budget/2015/1');
         $this->assertResponseOk();
@@ -203,6 +209,12 @@ class ReportControllerTest extends TestCase
         Amount::shouldReceive('getCurrencySymbol')->andReturn('X');
         Amount::shouldReceive('format')->andReturn('X');
 
+        // language preference:
+        $language = FactoryMuffin::create('FireflyIII\Models\Preference');
+        $language->data = 'en';
+        $language->save();
+        Preferences::shouldReceive('get')->withAnyArgs()->andReturn($language);
+
         $this->call('GET', '/reports/2015/1');
         $this->assertResponseOk();
     }