1 files changed, 4 insertions, 1 deletions
diff --git a/archaeological_operations/views.py b/archaeological_operations/views.py
index 7b6a56597..270411bfd 100644
--- a/archaeological_operations/views.py
+++ b/archaeological_operations/views.py
@@ -540,7 +540,10 @@ def get_relation_modify(model, model_relation, formset_class, url_name,
         except model.DoesNotExist:
             raise Http404()
         if "_own_" in current_right:
-            if not item.is_own(request.user):
+            if not request.user.has_perm(current_right, item):
+                raise PermissionDenied()
+        elif current_right:
+            if not request.user.has_perm(current_right):
                 raise PermissionDenied()
         relations = model_relation.objects.filter(left_record_id=pk).all()
         form_kwargs = {"left_record": item}