diff --git a/src/feed.py b/src/feed.py
index d2eff1f..bd9dbae 100644
--- a/src/feed.py
+++ b/src/feed.py
@@ -302,7 +302,7 @@ class Subscription(DjangoDataModel):
     published_threshold: datetime
     active: bool
     channels_count: int
-    unique_content_rules: list
+    unique_content_rules: list | None
 
     @staticmethod
     def parser(item: dict) -> dict: