diff --git a/src/applications/auth/engine/PhabricatorAuthSessionEngine.php b/src/applications/auth/engine/PhabricatorAuthSessionEngine.php
--- a/src/applications/auth/engine/PhabricatorAuthSessionEngine.php
+++ b/src/applications/auth/engine/PhabricatorAuthSessionEngine.php
@@ -485,7 +485,7 @@
     // change the order of prompts for users, but the alternative is that the
     // Settings panel order disagrees with the prompt order, which seems more
     // disruptive.
-    $factors = msort($factors, 'newSortVector');
+    $factors = msortv($factors, 'newSortVector');
 
     // If the account has no associated multi-factor auth, just issue a token
     // without putting the session into high security mode. This is generally
diff --git a/src/applications/settings/panel/PhabricatorExternalAccountsSettingsPanel.php b/src/applications/settings/panel/PhabricatorExternalAccountsSettingsPanel.php
--- a/src/applications/settings/panel/PhabricatorExternalAccountsSettingsPanel.php
+++ b/src/applications/settings/panel/PhabricatorExternalAccountsSettingsPanel.php
@@ -94,7 +94,7 @@
       ->setViewer($viewer)
       ->withIsEnabled(true)
       ->execute();
-    $configs = msort($configs, 'getSortVector');
+    $configs = msortv($configs, 'getSortVector');
 
     $account_map = mgroup($accounts, 'getProviderConfigPHID');
 
diff --git a/src/applications/settings/panel/PhabricatorMultiFactorSettingsPanel.php b/src/applications/settings/panel/PhabricatorMultiFactorSettingsPanel.php
--- a/src/applications/settings/panel/PhabricatorMultiFactorSettingsPanel.php
+++ b/src/applications/settings/panel/PhabricatorMultiFactorSettingsPanel.php
@@ -54,7 +54,7 @@
       ->setViewer($viewer)
       ->withUserPHIDs(array($user->getPHID()))
       ->execute();
-    $factors = msort($factors, 'newSortVector');
+    $factors = msortv($factors, 'newSortVector');
 
     $rows = array();
     $rowc = array();