diff --git a/anatomy/views.py b/anatomy/views.py
index fa5a2f32..61b4e069 100644
--- a/anatomy/views.py
+++ b/anatomy/views.py
@@ -96,6 +96,9 @@ def question_list(request):
 def question_detail(request, pk):
     question = get_object_or_404(AnatomyQuestion, pk=pk)
 
+    if not question.open_access and not self.request.user.groups.filter(name="anatomy_checker").exists() :
+        raise PermissionDenied()
+
     return render(request, "anatomy/question_detail.html", {"question": question})