diff --git a/src/applications/transactions/editor/PhabricatorApplicationTransactionEditor.php b/src/applications/transactions/editor/PhabricatorApplicationTransactionEditor.php
--- a/src/applications/transactions/editor/PhabricatorApplicationTransactionEditor.php
+++ b/src/applications/transactions/editor/PhabricatorApplicationTransactionEditor.php
@@ -3267,7 +3267,7 @@
   protected function getStrongestAction(
     PhabricatorLiskDAO $object,
     array $xactions) {
-    return head(msort($xactions, 'newActionStrengthSortVector'));
+    return head(msortv($xactions, 'newActionStrengthSortVector'));
   }