diff --git a/app.json b/app.json
index ce9d569a3..dd98703b8 100644
--- a/app.json
+++ b/app.json
@@ -21,7 +21,7 @@
         },
         "APP_DEBUG": {
             "value": "0"
-        }
+        },
         "SYMFONY_LOG": "php://stderr",
         "APP_SECRET": {
             "description": "Extra entropy for %kernel.secret%; used for CSRF tokens, cookies and signed URLs.",