diff --git a/src/runtime/entries/firebase-gen-2.ts b/src/runtime/entries/firebase-gen-2.ts
index 4aabb4063e..42686d7c1a 100644
--- a/src/runtime/entries/firebase-gen-2.ts
+++ b/src/runtime/entries/firebase-gen-2.ts
@@ -1,4 +1,5 @@
 import "#internal/nitro/virtual/polyfill";
+import { setGlobalOptions } from "firebase-functions/v2/options";
 import { onRequest } from "firebase-functions/v2/https";
 import { toNodeListener } from "h3";
 import { nitroApp } from "../app";
@@ -6,6 +7,12 @@ import { useAppConfig } from "#internal/nitro";
 
 const firebaseConfig = useAppConfig().nitro.firebase;
 
+if (firebaseConfig.httpsOptions?.region) {
+  setGlobalOptions({
+    region: firebaseConfig.httpsOptions.region,
+  });
+}
+
 export const __firebaseServerFunctionName__ = onRequest(
   {
     // Must be set to public to allow all public requests by default