diff --git a/Dockerfile b/Dockerfile
index 6531ff6..7d56991 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,6 +21,6 @@ COPY --from=build /app/.next/standalone ./
 COPY --from=build /app/public ./public
 COPY --from=build /app/.next/static ./.next/static
 EXPOSE 3000
-ENV PORT 3000
+ENV PORT=3000
 ENV HOSTNAME="0.0.0.0"
 CMD ["node", "server.js"]
\ No newline at end of file