diff --git a/src/applications/auth/controller/PhabricatorAuthNeedsMultiFactorController.php b/src/applications/auth/controller/PhabricatorAuthNeedsMultiFactorController.php
--- a/src/applications/auth/controller/PhabricatorAuthNeedsMultiFactorController.php
+++ b/src/applications/auth/controller/PhabricatorAuthNeedsMultiFactorController.php
@@ -15,6 +15,12 @@
     return false;
   }
 
+  public function shouldRequireEmailVerification() {
+    // Users who haven't verified their email addresses yet can still enroll
+    // in MFA.
+    return false;
+  }
+
   public function handleRequest(AphrontRequest $request) {
     $viewer = $this->getViewer();