diff --git a/.changeset/lovely-goats-rest.md b/.changeset/lovely-goats-rest.md
new file mode 100644
index 000000000..0492981bf
--- /dev/null
+++ b/.changeset/lovely-goats-rest.md
@@ -0,0 +1,5 @@
+---
+"@opennextjs/aws": patch
+---
+
+fix(build): Refactor fallback values to be dummy overrides in createEdgeBundle
\ No newline at end of file
diff --git a/packages/open-next/src/build/edge/createEdgeBundle.ts b/packages/open-next/src/build/edge/createEdgeBundle.ts
index 2ca114c24..412f8bc79 100644
--- a/packages/open-next/src/build/edge/createEdgeBundle.ts
+++ b/packages/open-next/src/build/edge/createEdgeBundle.ts
@@ -59,7 +59,8 @@ export async function buildEdgeBundle({
 }: BuildEdgeBundleOptions) {
   const isInCloudflare = await isEdgeRuntime(overrides);
   function override<T extends keyof Override>(target: T) {
-    return typeof overrides?.[target] === "string"
+    return typeof overrides?.[target] === "string" ||
+      typeof overrides?.[target] === "function"
       ? overrides[target]
       : undefined;
   }