diff --git a/plugins/langmenu.py b/plugins/langmenu.py
index a2d371c..6637719 100644
--- a/plugins/langmenu.py
+++ b/plugins/langmenu.py
@@ -15,7 +15,7 @@ def add_localmenuitems(generator):
             menu.setdefault(tr.lang, [])
     print('we have langs ' + ','.join(menu.keys()))
     for page in sorted(generator.context['pages'],
-                       key=lambda x: x.navbar_sort):
+                       key=lambda x: int(x.navbar_sort)):
         defined_langs = []
         menu[page.lang].append(page)
         defined_langs.append(page.lang)