diff --git a/app.moon b/app.moon
index ead4215..569e918 100644
--- a/app.moon
+++ b/app.moon
@@ -94,7 +94,7 @@ class App extends lapis.Application
   [freeswitch: "/freeswitch"]: respond_to {
     POST: =>
       uid = @params["user"] or @params["sip_auth_username"]
-      @user = Users\find id: uid
+      @user = Users\find extension: uid
       if not @user
         return status: 404, "no such user"