diff --git a/.devcontainer/docker-compose.yml b/.devcontainer/docker-compose.yml
index 9425810..c7b7f55 100644
--- a/.devcontainer/docker-compose.yml
+++ b/.devcontainer/docker-compose.yml
@@ -26,8 +26,8 @@ services:
     # Please, use devcontainer.json 'postStartCommand' for configuring ejabberd_server
     #
     environment:
-      - CTL_ON_CREATE=register admin localhost admin ;
-                      register test1 localhost test1 ;
+      - CTL_ON_CREATE=register admin localhost "admin" ; 
+                      register test1 localhost "test1"
       - CTL_ON_START=registered_users localhost ;
                      status
     ports: