diff --git a/app/Filters/QueryFilters.php b/app/Filters/QueryFilters.php
index a9924bca1225..3733dd5fc84c 100644
--- a/app/Filters/QueryFilters.php
+++ b/app/Filters/QueryFilters.php
@@ -244,7 +244,7 @@ abstract class QueryFilters
     }
 
 
-    public function is_deleted($value)
+    public function is_deleted($value = 'true')
     {
         if ($value == 'true') {
             return $this->builder->where('is_deleted', $value)->withTrashed();