diff --git a/module/upgrade/model.php b/module/upgrade/model.php
index c09eddf5d3..28159fb231 100644
--- a/module/upgrade/model.php
+++ b/module/upgrade/model.php
@@ -854,14 +854,17 @@ class upgradeModel extends model
     private function updateActivatedCountOfBug()
     {
         $bugActivatedActions = $this->dao->select('*')->from(TABLE_ACTION)->where('action')->eq('activated')->andWhere('objectType')->eq('bug')->fetchAll();
-        foreach($bugActivatedActions as $action)
+        if(!empty($bugActivatedActions))
         {
-            if(!isset($counts[$action->objectID]))  $counts[$action->objectID] = 0;
-            $counts[$action->objectID] ++;
-        }
-        foreach($counts as $key => $count)
-        {
-            $this->dao->update(TABLE_BUG)->set('activatedCount')->eq($count)->where('id')->eq($key)->exec();
+            foreach($bugActivatedActions as $action)
+            {
+                if(!isset($counts[$action->objectID]))  $counts[$action->objectID] = 0;
+                $counts[$action->objectID] ++;
+            }
+            foreach($counts as $key => $count)
+            {
+                $this->dao->update(TABLE_BUG)->set('activatedCount')->eq($count)->where('id')->eq($key)->exec();
+            }
         }
     }