diff --git a/Dockerfile.site b/Dockerfile.site
index 6a15d4f..1f9892d 100644
--- a/Dockerfile.site
+++ b/Dockerfile.site
@@ -1,4 +1,4 @@
-FROM node:16-alpine as build
+FROM --platform=$BUILDPLATFORM node:16-alpine as build
 
 WORKDIR /build
 COPY site/ /build