diff --git a/mongo/stack.yml b/mongo/stack.yml
index cf63b58af..7a287967f 100644
--- a/mongo/stack.yml
+++ b/mongo/stack.yml
@@ -18,3 +18,4 @@ services:
     environment:
       ME_CONFIG_MONGODB_ADMINUSERNAME: root
       ME_CONFIG_MONGODB_ADMINPASSWORD: example
+      ME_CONFIG_MONGODB_URL: mongodb://root:example@mongo:27017/