diff --git a/docker-compose.yml b/docker-compose.yml
index 397f725..f6eb89b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,7 +5,7 @@ services:
     build:
       context: .
       args: 
-        - USER_ID=${USER_ID=1000}
+        - USER_ID=${USER_ID:-1000}
     volumes:
       - .:/app
     ports: