diff --git a/docs/src/setup/index.md b/docs/src/setup/index.md
index 286a2e3539..844a80dfdc 100644
--- a/docs/src/setup/index.md
+++ b/docs/src/setup/index.md
@@ -150,7 +150,7 @@ services:
       POSTGRES_PASSWORD: 'npmpass'
       POSTGRES_DB: 'npm'
     volumes:
-      - ./postgresql:/var/lib/postgresql
+      - ./postgres_data:/var/lib/postgresql/data
 ```
 
 ::: warning