diff --git a/flashcards/serializers.py b/flashcards/serializers.py
index 1a6cb5a..f2f6f48 100644
--- a/flashcards/serializers.py
+++ b/flashcards/serializers.py
@@ -246,7 +246,7 @@ class QuizResponseSerializer(ModelSerializer):
 
     def to_representation(self, instance):
         return {
-            'pk': instance.user_flashcard.pk,
+            'pk': instance.pk,
             'section': instance.user_flashcard.flashcard.section.pk,
             'text': instance.user_flashcard.flashcard.text,
             'mask': self.mask
diff --git a/flashcards/views.py b/flashcards/views.py
index 624c816..0eff4a6 100644
--- a/flashcards/views.py
+++ b/flashcards/views.py
@@ -445,7 +445,6 @@ class UserFlashcardQuizViewSet(GenericViewSet, CreateModelMixin, UpdateModelMixi
 
         user_flashcard_quiz = UserFlashcardQuiz(user_flashcard=user_flashcard, blanked_word=blanked_word)
         user_flashcard_quiz.save()
-
         response = QuizResponseSerializer(instance=user_flashcard_quiz, mask=mask)
         log_event(request, response.data)
         return Response(response.data, status=HTTP_200_OK)