diff --git a/store/serializers.py b/store/serializers.py
index 4b283b0..ee57ca5 100644
--- a/store/serializers.py
+++ b/store/serializers.py
@@ -188,4 +188,4 @@ class PromocodeSerializer(serializers.ModelSerializer):
 
     class Meta:
         model = Promocode
-        fields = ('id', 'name', 'discount', 'freedelivery', 'nocomission')
+        fields = ('id', 'name', 'discount', 'freedelivery', 'nocomission', 'is_active')
diff --git a/store/views.py b/store/views.py
index ee36579..1c65bbd 100644
--- a/store/views.py
+++ b/store/views.py
@@ -109,8 +109,7 @@ class YuanRateAPI(generics.GenericAPIView):
         yuan_rate = GlobalSettings.load().yuan_rate
         return Response(data={'currency': yuan_rate})
 
-    # FIXME: use PATCH method for updates
-    def post(self, request, *args, **kwargs):
+    def patch(self, request, *args, **kwargs):
         data = json.loads(request.body)
         instance = self.get_object()
 
@@ -234,8 +233,9 @@ class PromoCodeAPI(mixins.CreateModelMixin, generics.GenericAPIView):
         if 'name' not in data:
             raise CRMException('name is required')
 
-        instance = get_object_or_404(self.get_queryset(), name=data['name'])
-        instance.delete()
+        instance: Promocode = get_object_or_404(self.get_queryset(), name=data['name'])
+        instance.is_active = False
+        instance.save()
         return Response(status=status.HTTP_204_NO_CONTENT)