diff --git a/vercel.json b/vercel.json
index b73afc1..e318e47 100644
--- a/vercel.json
+++ b/vercel.json
@@ -7,7 +7,7 @@
     }
   ],
   "functions": {
-    "api/lightning-address/lnd.js": {
+    "api/lightning-address/lnd": {
       "maxDuration": 300
     }
   }