diff --git a/tests/TestCase.php b/tests/TestCase.php
index dd6102e..8a6eae8 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -11,7 +11,7 @@ class TestCase extends \Orchestra\Testbench\TestCase
     {
         parent::setUp();
 
-        $this->app->bind('translation.loader', GlossLoader::class);
+        $this->app?->bind('translation.loader', GlossLoader::class);
     }
 
     protected function getPackageProviders($app)