diff --git a/openslides/utils/template.py b/openslides/utils/template.py
index 5ed5eb778..b0ded80ad 100644
--- a/openslides/utils/template.py
+++ b/openslides/utils/template.py
@@ -15,7 +15,7 @@ from django.template.loader_tags import BlockNode, ExtendsNode
 
 
 class Tab(object):
-    def __init__(self, title='', url='', permission='', selected=False):
+    def __init__(self, title='', url='', permission=True, selected=False):
         self.selected = False
         self.title = title
         self.permission = permission