diff --git a/unisportomat/quiz/serializers.py b/unisportomat/quiz/serializers.py
index 3a9cdd80c3fa9ca2a1874339fd34122f1ec0ed52..9756a8e190171e12071bfbd365b05c6dc05813f3 100644
--- a/unisportomat/quiz/serializers.py
+++ b/unisportomat/quiz/serializers.py
@@ -191,6 +191,7 @@ class CriteriaSerializer(serializers.BaseSerializer):
             criterion_dict = {}
 
             criterion_dict["id"] = crit.pk
+            criterion_dict["question_id"] = crit.question.pk
             criterion_dict["name"] = crit.name
             criterion_dict["number_of_sports_active"] = active_sports
             criterion_dict["sum_of_weights"] = sum_of_weights