diff --git a/welco/contrib/alfortville/views.py b/welco/contrib/alfortville/views.py
index 892988a..1b08133 100644
--- a/welco/contrib/alfortville/views.py
+++ b/welco/contrib/alfortville/views.py
@@ -73,6 +73,11 @@ class Dgs(DgHomeScreen):
 dgs = login_required(Dgs.as_view())
 
 
+def is_dga_role(role_name):
+    return bool(role_name.startswith('DGA') or role_name.startswith('DGD') or
+                role_name.startswith('Cabinet'))
+
+
 class DgaMailHome(MailHome):
     display_filter = True
     allow_reject = False
@@ -80,7 +85,7 @@ class DgaMailHome(MailHome):
     def filter_formdef_condition(self, formdef):
         roles = set()
         for function_role in formdef.get('functions', {}).values():
-            if function_role.get('role', {}).get('name', '').startswith('DGA'):
+            if is_dga_role(function_role.get('role', {}).get('name', '')):
                 roles.add(function_role.get('role').get('slug'))
         return self.user_roles.intersection(roles)
 
@@ -100,7 +105,7 @@ class Dga(DgHomeScreen):
 
     def check_user_ok(self):
         user_roles = [x.name for x in self.request.user.groups.all()]
-        return any([x for x in user_roles if x.startswith('DGA') or x.startswith('Cabinet')])
+        return any([x for x in user_roles if is_dga_role(x)])
 
 dga = login_required(Dga.as_view())