diff --git a/config/app.php b/config/app.php
index 5757ea7e513..8409e00ea9f 100644
--- a/config/app.php
+++ b/config/app.php
@@ -39,7 +39,7 @@
     |
     */
 
-    'debug' => env('APP_DEBUG', false),
+    'debug' => (bool) env('APP_DEBUG', false),
 
     /*
     |--------------------------------------------------------------------------