diff --git a/generic/templates/generic/exam_cids_edit.html b/generic/templates/generic/exam_cids_edit.html
index 399028ba..9dc101b2 100644
--- a/generic/templates/generic/exam_cids_edit.html
+++ b/generic/templates/generic/exam_cids_edit.html
@@ -31,7 +31,7 @@
                         url: "{% url 'generic:generic_exam_json_edit' %}",
                         data: {
                             csrfmiddlewaretoken: "{{csrf_token}}",
-                            edit_cid_user: JSON.stringify(ids),
+                            edit_cid_user: el.target.dataset.pk,
                             add: !el.target.parentElement.hasClass("current"),
                             exam_id: $(evt.target).data("exam-id"),
                         },
diff --git a/generic/views.py b/generic/views.py
index 9f3f6702..bb7da1c6 100644
--- a/generic/views.py
+++ b/generic/views.py
@@ -674,7 +674,7 @@ class ExamViews(View, LoginRequiredMixin):
             exam = get_object_or_404(self.Exam, pk=pk)
 
             if "toggle_cid_user" in request.POST:
-                user_id = json.loads(request.POST.get("cid_user_id"))
+                user_id = request.POST.get("cid_user_id")
                 
                 add = request.POST.get("add")