diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php
index e6bcefe..1dd157c 100644
--- a/system/database/drivers/oci8/oci8_driver.php
+++ b/system/database/drivers/oci8/oci8_driver.php
@@ -535,14 +535,16 @@
 	 * @param   array   the where clause
 	 * @return  string
 	 */
-	function _update($table, $values, $where)
+	function _update($table, $values, $where, $limit = FALSE)
 	{
 		foreach($values as $key => $val)
 		{
 			$valstr[] = $key." = ".$val;
 		}
-
-		return "UPDATE ".$this->_escape_table($table)." SET ".implode(', ', $valstr)." WHERE ".implode(" ", $where);
+		
+		$limit = (!$limit) ? '' : ' LIMIT '.$limit;
+	
+		return "UPDATE ".$this->_escape_table($table)." SET ".implode(', ', $valstr)." WHERE ".implode(" ", $where).$limit;
 	}
 
 	// --------------------------------------------------------------------