diff --git a/flashcards/views.py b/flashcards/views.py
index b7c89f6..ce4a26a 100644
--- a/flashcards/views.py
+++ b/flashcards/views.py
@@ -274,6 +274,8 @@ class FlashcardViewSet(GenericViewSet, CreateModelMixin, RetrieveModelMixin):
         """
         user = request.user
         flashcard = self.get_object()
-        user_card, created = UserFlashcard.objects.get_or_create(user=user, flashcard=flashcard)
+        user_card, created = UserFlashcard.objects.get_or_create(user=user,
+                                                                 flashcard=flashcard,
+                                                                 mask=flashcard.mask)
         user_card.save()
         return Response(status=HTTP_204_NO_CONTENT)