diff --git a/module/bug/model.php b/module/bug/model.php
index cd5a781e35..424261ecda 100644
--- a/module/bug/model.php
+++ b/module/bug/model.php
@@ -187,6 +187,7 @@ class bugModel extends model
             ->autoCheck()
             ->batchCheck($this->config->bug->resolve->requiredFields, 'notempty')
             ->checkIF($bug->resolution == 'duplicate', 'duplicateBug', 'notempty')
+            ->checkIF($bug->resolution == 'fixed',     'resolvedBuild','notempty')
             ->where('id')->eq((int)$bugID)
             ->exec();
     }