diff --git a/src/applications/maniphest/storage/ManiphestTransaction.php b/src/applications/maniphest/storage/ManiphestTransaction.php
index 074fc36010..31be758355 100644
--- a/src/applications/maniphest/storage/ManiphestTransaction.php
+++ b/src/applications/maniphest/storage/ManiphestTransaction.php
@@ -794,6 +794,7 @@ final class ManiphestTransaction
   public function getMailTags() {
     $tags = array();
     switch ($this->getTransactionType()) {
+      case self::TYPE_MERGED_INTO:
       case self::TYPE_STATUS:
         $tags[] = self::MAILTAG_STATUS;
         break;