diff --git a/src/Db/Connection.php b/src/Db/Connection.php
index 1b34af1..572539f 100644
--- a/src/Db/Connection.php
+++ b/src/Db/Connection.php
@@ -27,7 +27,7 @@ class Connection
     public static function execute($sql, $values = array(), $fetchMode = \PDO::FETCH_ASSOC)
     {
         $statement = PDOWithFilters::prepare($sql);
-        $success = $statement->execute($values);
+        $success = $statement->execute(!empty($values) ? $values : null);
 
         if (!$success) {
           $statement->closeCursor();