diff --git a/pyrogram/filters.py b/pyrogram/filters.py
index da6f0127..a7b17a60 100644
--- a/pyrogram/filters.py
+++ b/pyrogram/filters.py
@@ -1081,6 +1081,7 @@ class topic(Filter, set):
     Parameters:
         topics (``int`` | ``list``):
             Pass one or more topic ids to filter messages in specific topics.
+            Pass 1 for general topic.
             Defaults to None (no topics).
     """
 
@@ -1092,4 +1093,6 @@ class topic(Filter, set):
         )
 
     async def __call__(self, _, message: Message):
+        if message.is_topic_message and not message.topic:
+            return 1 in self
         return message.topic and message.topic.id in self