diff --git a/generic/views.py b/generic/views.py
index 8ccbab82..c17d12ba 100644
--- a/generic/views.py
+++ b/generic/views.py
@@ -14,7 +14,7 @@ from django.core.exceptions import PermissionDenied, FieldError
 from django.http import Http404, JsonResponse
 from django.http import HttpResponseRedirect, HttpResponse
 
-from django.contrib.auth.mixins import LoginRequiredMixin
+from django.contrib.auth.mixins import LoginRequiredMixin, UserPassesTestMixin
 
 
 from django.utils.decorators import method_decorator
@@ -66,12 +66,15 @@ import plotly.express as px
 from django.db.models import Prefetch
 
 
-class CidManagerRequiredMixin(object):
-    def get_object(self, *args, **kwargs):
-        obj = super().get_object(*args, **kwargs)
-        if self.request.user.groups.filter(name="cid_user_manager").exists():
-            return obj
-        raise PermissionDenied()  # or Http404
+class CidManagerRequiredMixin(UserPassesTestMixin):
+
+    def test_func(self):
+        return self.request.user.groups.filter(name="cid_user_manager").exists()
+#    def get_object(self, *args, **kwargs):
+#        obj = super().get_object(*args, **kwargs)
+#        if self.request.user.groups.filter(name="cid_user_manager").exists():
+#            return obj
+#        raise PermissionDenied()  # or Http404
 
 
 def normaliseRapidsScore(score):