diff --git a/server/controllers/ticket/search.php b/server/controllers/ticket/search.php
index 09d2a020..8bcb85ca 100644
--- a/server/controllers/ticket/search.php
+++ b/server/controllers/ticket/search.php
@@ -207,7 +207,7 @@ class SearchController extends Controller {
         }
     }
     private function setPriorityFilter($priorities, &$filters){
-        if($priorities !== null){
+        if($priorities){
             $first = TRUE;
             if ($filters != "")  $filters .= " and ";
             foreach(array_unique($priorities) as $priority) {