diff --git a/www/mysql_adapter.php b/www/mysql_adapter.php
index fb08aca..a05eb5b 100644
--- a/www/mysql_adapter.php
+++ b/www/mysql_adapter.php
@@ -46,7 +46,9 @@ class MySQLAdapter {
 
 	function _exec($qery, $argtypes, ...$args) {
 		$stmt = $this->raw->prepare($qery);
-		$stmt->bind_param($argtypes, ...$args);
+		if($argtypes != ""){
+			$stmt->bind_param($argtypes, ...$args);
+		}
 		$stmt->execute();
 
 		return $stmt->get_result();