diff --git a/docker-compose.yml b/docker-compose.yml
index 935e333..d494bd5 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -3,7 +3,7 @@ services:
   nginx:
     image: docker.triton2.fet.at/dev_nginx
     ports:
-    - "5005:80"
+    - "${PORT}:80"
   theia:
     image: docker.triton2.fet.at/dev_theia
     volumes: