diff --git a/module/bug/model.php b/module/bug/model.php
index 80e39b2e9a..db9a72d2e1 100644
--- a/module/bug/model.php
+++ b/module/bug/model.php
@@ -969,6 +969,7 @@ class bugModel extends model
         $this->config->bug->search['params']['plan']['values']          = $this->loadModel('productplan')->getPairs($productID);
         $this->config->bug->search['params']['module']['values']        = $this->loadModel('tree')->getOptionMenu($productID, $viewType = 'bug', $startModuleID = 0);
         $this->config->bug->search['params']['project']['values']       = $this->product->getProjectPairs($productID);
+        $this->config->bug->search['params']['severity']['values']      = array(0 => '') + $this->lang->bug->severityList; //Fix bug #939.
         $this->config->bug->search['params']['openedBuild']['values']   = $this->loadModel('build')->getProductBuildPairs($productID, 0, $params = '');
         $this->config->bug->search['params']['resolvedBuild']['values'] = $this->config->bug->search['params']['openedBuild']['values'];
         if($this->session->currentProductType == 'normal')