diff --git a/fet2020/posts/urls.py b/fet2020/posts/urls.py
index 53837f5e..4766b332 100644
--- a/fet2020/posts/urls.py
+++ b/fet2020/posts/urls.py
@@ -8,6 +8,8 @@ app_name = apps.PostsConfig.name
 
 urlpatterns = [
     path("", views.index, name="posts.index"),
+    # fet calendar (path have to be ahead posts.show)
+    path("fet_calendar.ics", views.calendar, name="posts.calendar"),
     path("<str:id>", views.show, name="posts.show"),
     re_path(
         r"^(?P<id>[-\w]+)/agenda.pdf$",
@@ -20,7 +22,6 @@ urlpatterns = [
         name="show_pdf_protocol",
     ),
     path("t/<str:tag>", views.tags, name="posts.tags"),
-    path("fet_calendar.ics", views.calendar, name="posts.calendar"),
     path("func/tag_complete", tag_complete),
     path("func/slug_calc", slug_calc),
 ]