diff --git a/frontend/Dockerfile b/frontend/Dockerfile
index 4ed7e35f..1a114920 100644
--- a/frontend/Dockerfile
+++ b/frontend/Dockerfile
@@ -83,7 +83,7 @@ ENV NEXT_TURBOPACK=0
 # nested App Router paths. Redirect .next output to ultra-short root path /n
 # to minimise overlay nesting depth, then move back after build completes.
 RUN mkdir /n && ln -s /n .next && \
-    pnpm run build -- --webpack && \
+    pnpm run build && \
     rm .next && mv /n .next
 
 # Verify build was created
diff --git a/frontend/package.json b/frontend/package.json
index 72790e47..ca4e8b8c 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -9,7 +9,7 @@
   "private": true,
   "scripts": {
     "dev": "next dev",
-    "build": "next build",
+    "build": "next build --webpack",
     "start": "next start",
     "lint": "eslint . --max-warnings 0",
     "format": "prettier --write .",