diff --git a/symfony/messenger/4.1/manifest.json b/symfony/messenger/4.1/manifest.json
index fe36d76c..92bdf927 100644
--- a/symfony/messenger/4.1/manifest.json
+++ b/symfony/messenger/4.1/manifest.json
@@ -3,7 +3,7 @@
         "config/": "%CONFIG_DIR%/"
     },
     "env": {
-        "#MESSENGER_ADAPTER_DSN": "amqp://guest:guest@localhost:5672/%2f/messages"
+        "#1": "MESSENGER_ADAPTER_DSN=amqp://guest:guest@localhost:5672/%2f/messages"
     },
     "aliases": ["messenger"]
 }