diff --git a/Dockerfile b/Dockerfile
index 4f16a6c..e483c3a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM node:20-slim
 
-ENV DEBIAN_FRONTEND noninteractive
+ENV DEBIAN_FRONTEND=noninteractive
 
 WORKDIR /node_app