diff --git a/src/Db/Connection.php b/src/Db/Connection.php
index 82f6cb3..27c96d7 100644
--- a/src/Db/Connection.php
+++ b/src/Db/Connection.php
@@ -32,7 +32,7 @@ class Connection
     public static function executeDontThrow($sql, $values = array(), $fetchMode = \PDO::FETCH_ASSOC)
     {
         try {
-            $res = $this->execute($sql, $values, $fetchMode);
+            $res = self::execute($sql, $values, $fetchMode);
         } catch (SqlException $e) {
             $res = false;
         }