diff --git a/app/Api/V1/Controllers/Models/TransactionCurrency/ShowController.php b/app/Api/V1/Controllers/Models/TransactionCurrency/ShowController.php
index 363d599869..8d9cec0f1f 100644
--- a/app/Api/V1/Controllers/Models/TransactionCurrency/ShowController.php
+++ b/app/Api/V1/Controllers/Models/TransactionCurrency/ShowController.php
@@ -107,8 +107,7 @@ class ShowController extends Controller
         /** @var User $user */
         $user            = auth()->user();
         $manager         = $this->getManager();
-        $defaultCurrency = app('amount')->getDefaultCurrencyByUserGroup($user->userGroup);
-        $this->parameters->set('defaultCurrency', $defaultCurrency);
+        $this->parameters->set('defaultCurrency', $this->defaultCurrency);
 
         // update fields with user info.
         $currency->refreshForUser($user);
@@ -135,7 +134,7 @@ class ShowController extends Controller
         /** @var User $user */
         $user        = auth()->user();
         $manager     = $this->getManager();
-        $currency    = app('amount')->getDefaultCurrencyByUserGroup($user->userGroup);
+        $currency    = $this->defaultCurrency;
 
         // update fields with user info.
         $currency->refreshForUser($user);
diff --git a/tests/integration/TestCase.php b/tests/integration/TestCase.php
index 967b8d68a7..0f73fc5894 100644
--- a/tests/integration/TestCase.php
+++ b/tests/integration/TestCase.php
@@ -52,9 +52,11 @@ abstract class TestCase extends BaseTestCase
 
     protected function createAuthenticatedUser(): User
     {
+        $group = UserGroup::create(['title' => 'test@email.com']);
         return User::create([
             'email'    => 'test@email.com',
             'password' => 'password',
+            'user_group_id' => $group->id,
         ]);
     }
 }