diff --git a/src/Helper/GridHelperService.php b/src/Helper/GridHelperService.php
index 019709e16b..d39a04f6f8 100644
--- a/src/Helper/GridHelperService.php
+++ b/src/Helper/GridHelperService.php
@@ -369,6 +369,7 @@ public function getFilterCondition(string $filterJson, ClassDefinition $class, ?
         $conditionFilters = '1 = 1';
         if (count($conditionPartsFilters) > 0) {
             $conditionFilters = '(' . implode(' AND ', $conditionPartsFilters) . ')';
+            $conditionFilters = str_replace(array('--', ';'), '', $conditionFilters);
         }
         Logger::log('DataObjectController filter condition:' . $conditionFilters);