diff --git a/feeds/utils.py b/feeds/utils.py
index 857148b..f1ec84a 100644
--- a/feeds/utils.py
+++ b/feeds/utils.py
@@ -55,4 +55,6 @@ class DatabaseConfig(BaseConfig):
         return settings
 
     def save(self):
-        FeedsAppConfigForm(data={'vk_auth': yaml.dump(self._settings)}).save()
+        form = FeedsAppConfigForm(data={'vk_auth': yaml.dump(self._settings)})
+        form.is_valid()
+        form.save()