diff --git a/module/bug/control.php b/module/bug/control.php
index fc59536a2f..9b92147752 100644
--- a/module/bug/control.php
+++ b/module/bug/control.php
@@ -1553,7 +1553,7 @@ class bug extends control
         {
             /* Delete related issue in gitlab. */
             $relation = $this->loadModel('gitlab')->getGitlabIssueFromRelation('bug', $bugID);
-            $this->loadModel('gitlab')->deleteIssue($relation->gitlabID, $relation->projectID, 'bug', $bugID, $relation->issueID);
+            if(!empty($relation)) $this->loadModel('gitlab')->deleteIssue($relation->gitlabID, $relation->projectID, 'bug', $bugID, $relation->issueID);
  
             $this->bug->delete(TABLE_BUG, $bugID);
             if($bug->toTask != 0)
diff --git a/module/gitlab/model.php b/module/gitlab/model.php
index b4fed35049..315b65c466 100644
--- a/module/gitlab/model.php
+++ b/module/gitlab/model.php
@@ -721,7 +721,7 @@ class gitlabModel extends model
     {
         $object     = $this->loadModel($objectType)->getByID($objectID);
         $relationID = $this->getRelationID($objectType, $objectID);
-        if(!empty($relationID)) $this->dao->delete(TABLE_RELATION, $relationID);
+        if(!empty($relationID)) $this->dao->delete()->from(TABLE_RELATION)->where('id')->eq($relationID)->exec();
         $this->apiDeleteIssue($gitlabID, $projectID, $issueID);
     }