Fix GroupAclUpdateView 404
diff --git a/circle/dashboard/views/group.py b/circle/dashboard/views/group.py
index e2cad63..c429f7e 100644
--- a/circle/dashboard/views/group.py
+++ b/circle/dashboard/views/group.py
@@ -180,10 +180,7 @@ class GroupPermissionsView(SuperuserRequiredMixin, UpdateView):
 class GroupAclUpdateView(AclUpdateView):
-    model = Group
-
-    def get_object(self):
-        return super(GroupAclUpdateView, self).get_object().profile
+    model = GroupProfile
 class GroupList(LoginRequiredMixin, SingleTableView):