diff --git a/lib/manager/search.php b/lib/manager/search.php
index a4045999..a9624d60 100644
--- a/lib/manager/search.php
+++ b/lib/manager/search.php
@@ -109,6 +109,10 @@ public function getQueryFilter($query)
 
         $yform = $this->getYForm();
         $yform->getForm();
+        if ($yform->hasWarnings()) {
+            rerurn $query;
+        }
+        
         $fieldValues = $yform->getFieldValue();
 
         $vars = [];