diff --git a/docker-compose.yaml b/docker-compose.yaml
index 52fa689..2b25c0d 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -8,7 +8,7 @@ services:
         ports:
             - "3333:3333"
         environment:
-            - MONGO_URL=mongodb://root:root12345@mongo:27017/
+            - MONGO_URL: mongodb://root:root12345@mongo:27017/
         depends_on:
             mongo:
                 condition: service_started