diff --git a/docker-compose.yml b/docker-compose.yml
index 4653b49..f231bfc 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,4 +5,4 @@ services:
     ports:
       - 3000:3000
     environment:
-      RAILS_ENV=development
+      - RAILS_ENV=development