diff --git a/system/libraries/Session/Session_driver.php b/system/libraries/Session/Session_driver.php
index 734b6e05..7bf56e9f 100644
--- a/system/libraries/Session/Session_driver.php
+++ b/system/libraries/Session/Session_driver.php
@@ -139,9 +139,9 @@ abstract class CI_Session_driver implements SessionHandlerInterface {
 	 */
 	protected function _cookie_destroy()
 	{
-		return setcookie(
+		return @setcookie(
 			$this->_config['cookie_name'],
-			NULL,
+			'',
 			1,
 			$this->_config['cookie_path'],
 			$this->_config['cookie_domain'],