diff --git a/gestioncof/decorators.py b/gestioncof/decorators.py
index e811465a..28a67331 100644
--- a/gestioncof/decorators.py
+++ b/gestioncof/decorators.py
@@ -60,6 +60,8 @@ def buro_required(view_func):
 
 class CofRequiredMixin(PermissionRequiredMixin):
     def has_permission(self):
+        if not self.request.user.is_authenticated:
+            return False
         try:
             return self.request.user.profile.is_cof
         except AttributeError:
@@ -68,6 +70,8 @@ class CofRequiredMixin(PermissionRequiredMixin):
 
 class BuroRequiredMixin(PermissionRequiredMixin):
     def has_permission(self):
+        if not self.request.user.is_authenticated:
+            return False
         try:
             return self.request.user.profile.is_buro
         except AttributeError: