diff --git a/firebase.json b/firebase.json
index 25725550a6b..6a1b2d619f1 100644
--- a/firebase.json
+++ b/firebase.json
@@ -24,7 +24,7 @@
       "rewrites": [
         {
           "source": "**",
-          "function": "serverTesting"
+          "function": "/index.html"
         }
       ]
     }