diff --git a/docker-compose.yml b/docker-compose.yml
index 706a004d..ddd01acf 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -23,6 +23,7 @@ gitlab:
     - GITLAB_HOST=localhost
     - GITLAB_PORT=10080
     - GITLAB_SSH_PORT=10022
+    - GITLAB_RELATIVE_URL_ROOT=
 
     - GITLAB_NOTIFY_ON_BROKEN_BUILDS=true
     - GITLAB_NOTIFY_PUSHER=false