diff --git a/Dockerfile b/Dockerfile
index 50ade32f..013998d0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-ARG NODE_VERSION=20-alpine
+ARG NODE_VERSION="20-alpine"
 FROM node:${NODE_VERSION} AS builder
 
 WORKDIR /app