diff --git a/advlabdb/assistantModelViews.py b/advlabdb/assistantModelViews.py
index 36a3b00..3be12a5 100644
--- a/advlabdb/assistantModelViews.py
+++ b/advlabdb/assistantModelViews.py
@@ -154,6 +154,8 @@ class AssistantGroupExperimentView(SecureAssistantModelView):
 
                         experiment_mark.part_student.checkThenSetFinalPartMark()
 
+                group_experiment.update_experiment_marks_missing()
+
                 group_experiment.note = form.note.data
 
                 db.session.commit()