diff --git a/module/upgrade/model.php b/module/upgrade/model.php
index 2bded6e434..99530f4941 100644
--- a/module/upgrade/model.php
+++ b/module/upgrade/model.php
@@ -5843,7 +5843,7 @@ class upgradeModel extends model
         foreach($bugs as $bugID => $linkBugs)
         {
             $linkBugs = explode(',', $linkBugs);
-            $this->dao->update(TABLE_BUG)->set("linkBug = TRIM(BOTH ',' from CONCAT(relatedbug, ',$bugID'))")->where('id')->in($linkBugs)->andWhere('id')->ne($bugID)->andWhere("CONCAT(',', linkBug, ',')")->notlike("%,$bugID,%")->exec();
+            $this->dao->update(TABLE_BUG)->set("linkBug = TRIM(BOTH ',' from CONCAT(linkBug, ',$bugID'))")->where('id')->in($linkBugs)->andWhere('id')->ne($bugID)->andWhere("CONCAT(',', linkBug, ',')")->notlike("%,$bugID,%")->exec();
         }
 
         return !dao::isError();