diff --git a/generic/views.py b/generic/views.py
index b0971e55..6eb6fae1 100644
--- a/generic/views.py
+++ b/generic/views.py
@@ -1511,7 +1511,10 @@ class ExamViews(View, LoginRequiredMixin):
             else:
                 cid = f"u/{cid_user_answer.user.pk}"
                 #cids_user_id_map[cid] = cid_user_answer.user.username
-                cids_user_id_map[cid] = f"{cid_user_answer.user.first_name} {cid_user_answer.user.last_name}"
+                name = f"{cid_user_answer.user.first_name} {cid_user_answer.user.last_name}"
+                if not name.strip():
+                    name = cid_user_answer.user.username
+                cids_user_id_map[cid] = 
                 cids.add(cid)
 
             s = cid_user_answer