diff --git a/functions/classes/class.PDO.php b/functions/classes/class.PDO.php
index 3ba28cc593d15d16ca4e84421373246db7d84b93..7eba760ffcf506249cb33c97ea6691bbb9206abd 100644
--- a/functions/classes/class.PDO.php
+++ b/functions/classes/class.PDO.php
@@ -216,6 +216,7 @@ abstract class DB {
 	 */
 	public function resetConn() {
 		unset($this->pdo);
+		$this->cache = [];
 		$this->install = false;
 	}