diff --git a/config/app.php b/config/app.php
index 29961c694682..a7e071e62898 100644
--- a/config/app.php
+++ b/config/app.php
@@ -80,7 +80,7 @@ return [
     |
     */
 
-    'key' => env('APP_KEY', '12341234123412341234123412341234'),
+    'key' => env('APP_KEY', ''),
 
     'cipher' => env('APP_CIPHER', MCRYPT_RIJNDAEL_128),