diff --git a/README.md b/README.md
index 91a30b34..70822b1d 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ services:
     image: tikazyq/crawlab:latest
     container_name: master
     environment:
-      CRAWLAB_API_ADDRESS: "localhost:8000"
+      CRAWLAB_API_ADDRESS: "http://localhost:8000"
       CRAWLAB_SERVER_MASTER: "Y"
       CRAWLAB_MONGO_HOST: "mongo"
       CRAWLAB_REDIS_ADDRESS: "redis"