diff --git a/.changeset/hot-knives-hang.md b/.changeset/hot-knives-hang.md
new file mode 100644
index 00000000000..5e2da2b4d61
--- /dev/null
+++ b/.changeset/hot-knives-hang.md
@@ -0,0 +1,5 @@
+---
+'@builder.io/qwik-city': patch
+---
+
+FIX: return 404 for missing /build/ files.
diff --git a/packages/qwik-city/src/runtime/src/route-matcher.ts b/packages/qwik-city/src/runtime/src/route-matcher.ts
index 5ac028fbf66..7267946ddd5 100644
--- a/packages/qwik-city/src/runtime/src/route-matcher.ts
+++ b/packages/qwik-city/src/runtime/src/route-matcher.ts
@@ -23,6 +23,10 @@ function matchRoutePart(
   pathIdx: number,
   pathLength: number
 ): PathParams | null {
+  if (path.startsWith('/build/')) {
+    return null;
+  }
+
   let params: PathParams | null = null;
   while (routeIdx < routeLength) {
     const routeCh = route.charCodeAt(routeIdx++);