diff --git a/Database/Orm/Condition.php b/Database/Orm/Condition.php
index 8f4e0e2b..64d10194 100644
--- a/Database/Orm/Condition.php
+++ b/Database/Orm/Condition.php
@@ -76,7 +76,10 @@ trait Condition
 	private function builderWhere($where): string
 	{
 		$_tmp = [];
-		if (empty($where)) return '';
+		if (is_null($where)) {
+			return '';
+		}
+		if (empty($where) || is_string($where)) return $where;
 		foreach ($where as $key => $value) {
 			$_value = is_string($value) ? $value : $this->conditionMap($value);