diff --git a/README.md b/README.md
index 0d6a5b44cf..4fb9a0c52b 100644
--- a/README.md
+++ b/README.md
@@ -170,6 +170,7 @@ docker-compose up
 | NC_SENTRY_DSN           | No        | For Sentry monitoring                                                     |   |
 | NC_CONNECT_TO_EXTERNAL_DB_DISABLED | No | Disable Project creation with external database                              |   |
 | NC_DISABLE_TELE | No | Disable telemetry                              |   |
+| NC_BACKEND_URL | No | Custom Backend URL                              | ``http://localhost:8080`` will be used  |
 
 # Running locally 
 ```