diff --git a/src/applications/maniphest/editor/ManiphestTransactionEditor.php b/src/applications/maniphest/editor/ManiphestTransactionEditor.php
--- a/src/applications/maniphest/editor/ManiphestTransactionEditor.php
+++ b/src/applications/maniphest/editor/ManiphestTransactionEditor.php
@@ -649,7 +649,7 @@
         $old_value = $object->getOwnerPHID();
         $new_value = $xaction->getNewValue();
         if ($old_value === $new_value) {
-          continue;
+          break;
         }
 
         // When a task is reassigned, move the old owner to the subscriber