diff --git a/examples/with-docker/Dockerfile b/examples/with-docker/Dockerfile
index 7c343cffed755..f68a80ab1ee6f 100644
--- a/examples/with-docker/Dockerfile
+++ b/examples/with-docker/Dockerfile
@@ -55,6 +55,5 @@ USER nextjs
 EXPOSE 3000
 
 ENV PORT 3000
-ENV HOSTNAME localhost
 
 CMD ["node", "server.js"]