diff --git a/src/applications/people/storage/PhabricatorUser.php b/src/applications/people/storage/PhabricatorUser.php
--- a/src/applications/people/storage/PhabricatorUser.php
+++ b/src/applications/people/storage/PhabricatorUser.php
@@ -446,7 +446,7 @@
     // The resulting URI must have an allowed protocol. Otherwise, we'll return
     // a link to an error page explaining the misconfiguration.
 
-    $ok = PhabricatorHelpEditorProtocolController::hasAllowedProtocol($uri);
+    $ok = PhabricatorHelpEditorProtocolController::hasAllowedProtocol($editor);
     if (!$ok) {
       return '/help/editorprotocol/';
     }