diff --git a/frontend/Dockerfile b/frontend/Dockerfile
index 39696ead2..1c9d52f23 100644
--- a/frontend/Dockerfile
+++ b/frontend/Dockerfile
@@ -11,6 +11,6 @@ ENV VITE_MONITOR_HOST ${VITE_MONITOR_HOST}
 RUN cd client && yarn && yarn build && yarn link
 RUN cd frontend && yarn link @monitor/client && yarn && yarn build
 
-ENV PORT 4174;
+ENV PORT 4174
 
 CMD cd frontend && yarn preview --host --port ${PORT}
\ No newline at end of file