diff --git a/www/admin/class_test.php b/www/admin/class_test.php
index 0f63fec4..db0d64c2 100644
--- a/www/admin/class_test.php
+++ b/www/admin/class_test.php
@@ -10,16 +10,16 @@ if ($DEBUG_ALL) {
 
 ob_start();
 
+// basic class test file
 define('USE_DATABASE', true);
 // sample config
 require("config.inc");
 // set session name
 DEFINE('SET_SESSION_NAME', EDIT_SESSION_NAME);
-// basic class test file
-// set language for l10n
-$lang = 'en_utf8';
 // define log file id
 DEFINE('LOG_FILE_ID', 'classTest');
+// set language for l10n
+$lang = 'en_utf8';
 // init login & backend class
 $login = new CoreLibs\ACL\Login($DB_CONFIG[LOGIN_DB], $lang);
 $basic = new CoreLibs\Admin\Backend($DB_CONFIG[MAIN_DB], $lang);
diff --git a/www/lib/CoreLibs/DB/IO.inc b/www/lib/CoreLibs/DB/IO.inc
index 69e75d95..0faf340b 100644
--- a/www/lib/CoreLibs/DB/IO.inc
+++ b/www/lib/CoreLibs/DB/IO.inc
@@ -1497,7 +1497,7 @@ class IO extends \CoreLibs\Basic
 						} elseif ($this->insert_id[0][$this->prepare_cursor[$stm_name]['pk_name']]) {
 							$this->insert_id = $this->insert_id[0][$this->prepare_cursor[$stm_name]['pk_name']];
 						}
-					} else {
+					} elseif (count($this->insert_id) == 0) {
 						// failed to get insert id
 						$this->insert_id = '';
 						$this->warning_id = 33;