diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php
index bfb212c..7989051 100644
--- a/system/database/drivers/postgre/postgre_driver.php
+++ b/system/database/drivers/postgre/postgre_driver.php
@@ -230,7 +230,7 @@
 	 */
 	function insert_id()
 	{
-		$v = version($this->conn_id);
+		$v = $this->_version();
 		$v = $v['server'];
 		
 		$table	= func_num_args() > 0 ? func_get_arg(0) : null;