diff --git a/src/applications/maniphest/conduit/ManiphestGetTaskTransactionsConduitAPIMethod.php b/src/applications/maniphest/conduit/ManiphestGetTaskTransactionsConduitAPIMethod.php
index 062523beee..cf3f755314 100644
--- a/src/applications/maniphest/conduit/ManiphestGetTaskTransactionsConduitAPIMethod.php
+++ b/src/applications/maniphest/conduit/ManiphestGetTaskTransactionsConduitAPIMethod.php
@@ -1,79 +1,80 @@
 <?php
 
 final class ManiphestGetTaskTransactionsConduitAPIMethod
   extends ManiphestConduitAPIMethod {
 
   public function getAPIMethodName() {
     return 'maniphest.gettasktransactions';
   }
 
   public function getMethodDescription() {
     return 'Retrieve Maniphest Task Transactions.';
   }
 
   public function defineParamTypes() {
     return array(
       'ids' => 'required list<int>',
     );
   }
 
   public function defineReturnType() {
     return 'nonempty list<dict<string, wild>>';
   }
 
   public function defineErrorTypes() {
     return array(
     );
   }
 
   protected function execute(ConduitAPIRequest $request) {
     $results = array();
     $task_ids = $request->getValue('ids');
 
     if (!$task_ids) {
       return $results;
     }
 
     $tasks = id(new ManiphestTaskQuery())
       ->setViewer($request->getUser())
       ->withIDs($task_ids)
       ->execute();
     $tasks = mpull($tasks, null, 'getPHID');
 
     $transactions = array();
     if ($tasks) {
       $transactions = id(new ManiphestTransactionQuery())
         ->setViewer($request->getUser())
         ->withObjectPHIDs(mpull($tasks, 'getPHID'))
         ->needComments(true)
         ->execute();
     }
 
     foreach ($transactions as $transaction) {
       $task_phid = $transaction->getObjectPHID();
       if (empty($tasks[$task_phid])) {
         continue;
       }
 
       $task_id = $tasks[$task_phid]->getID();
 
       $comments = null;
       if ($transaction->hasComment()) {
         $comments = $transaction->getComment()->getContent();
       }
 
       $results[$task_id][] = array(
         'taskID'  => $task_id,
+        'transactionPHID' => $transaction->getPHID(),
         'transactionType'  => $transaction->getTransactionType(),
         'oldValue'  => $transaction->getOldValue(),
         'newValue'  => $transaction->getNewValue(),
         'comments'      => $comments,
         'authorPHID'  => $transaction->getAuthorPHID(),
         'dateCreated' => $transaction->getDateCreated(),
       );
     }
 
     return $results;
   }
 
 }