diff --git a/docker-compose.pullpreview.yml b/docker-compose.pullpreview.yml
index f966c520..86b7c375 100644
--- a/docker-compose.pullpreview.yml
+++ b/docker-compose.pullpreview.yml
@@ -9,7 +9,7 @@ services:
       - "3000:3000"
     environment:
       - CHOKIDAR_USEPOLLING=true
-      - PREVIEW_URL=http://${PULLPREVIEW_PUBLIC_DNS}:3000
+      - PREVIEW_URL=http://${PULLPREVIEW_PUBLIC_DNS}:3009
       - PUBLISH_URL=http://runner:3009
       - LAST_COMMIT
       - LAST_TAG