diff --git a/pandora_console/ChangeLog b/pandora_console/ChangeLog
index ad3670906f..edca0358b2 100644
--- a/pandora_console/ChangeLog
+++ b/pandora_console/ChangeLog
@@ -1,3 +1,10 @@
+2012-12-18 Miguel de Dios <miguel.dedios@artica.es>
+	
+	* include/functions_config.php: fixed check if it set the id_user
+	in the session.
+
+
+
 2012-12-18  Sergio Martin <sergio.martin@artica.es>
 
 	* operation/events/events_list.php
diff --git a/pandora_console/include/functions_config.php b/pandora_console/include/functions_config.php
index 2d404abe13..40e9a912ac 100644
--- a/pandora_console/include/functions_config.php
+++ b/pandora_console/include/functions_config.php
@@ -317,11 +317,13 @@ function config_process_config () {
 	global $config;
 	
 	//Check if the user have the admin flag.
-	$is_admin = (bool)db_get_value('is_admin',
-		'tusuario', 'id_user', $_SESSION['id_usuario']);
-	if (!$is_admin) {
-		return false;
-		exit;
+	if (isset($_SESSION['id_usuario'])) {
+		$is_admin = (bool)db_get_value('is_admin',
+			'tusuario', 'id_user', $_SESSION['id_usuario']);
+		if (!$is_admin) {
+			return false;
+			exit;
+		}
 	}
 	
 	$configs = db_get_all_rows_in_table ('tconfig');