diff --git a/include/sessions.php b/include/sessions.php
index 1b1d00cc2..d38b79967 100644
--- a/include/sessions.php
+++ b/include/sessions.php
@@ -106,7 +106,7 @@
 		if (isset($_COOKIE[$session_name])) {
 			@session_start();
 
-			if (!$_SESSION["uid"]) {
+			if (!isset($_SESSION["uid"] || !$_SESSION["uid"]) {
 				session_destroy();
 			   setcookie(session_name(), '', time()-42000, '/');
 			}