diff --git a/backend/functions/src/stand-alone/crawl.ts b/backend/functions/src/stand-alone/crawl.ts
index 9530e67..0e2f75d 100644
--- a/backend/functions/src/stand-alone/crawl.ts
+++ b/backend/functions/src/stand-alone/crawl.ts
@@ -165,4 +165,4 @@ const instance = container.resolve(CrawlStandAloneServer);
 
 export default instance;
 
-instance.serviceReady().then((s) => s.h2c().listen(parseInt(process.env.PORT || '') || 3000));
+instance.serviceReady().then((s) => s.listen(parseInt(process.env.PORT || '') || 3000));
diff --git a/backend/functions/src/stand-alone/search.ts b/backend/functions/src/stand-alone/search.ts
index a3a918d..2f53554 100644
--- a/backend/functions/src/stand-alone/search.ts
+++ b/backend/functions/src/stand-alone/search.ts
@@ -165,4 +165,4 @@ const instance = container.resolve(SearchStandAloneServer);
 
 export default instance;
 
-instance.serviceReady().then((s) => s.h2c().listen(parseInt(process.env.PORT || '') || 3000));
+instance.serviceReady().then((s) => s.listen(parseInt(process.env.PORT || '') || 3000));