diff --git a/stream_chat/tests/test_channel.py b/stream_chat/tests/test_channel.py
index d575cd9..efab073 100644
--- a/stream_chat/tests/test_channel.py
+++ b/stream_chat/tests/test_channel.py
@@ -382,6 +382,8 @@ def test_pin_channel(
         self, client: StreamChat, channel: Channel, random_users: List[Dict]
     ):
         user_id = random_users[0]["id"]
+        channel.add_members([user_id])
+
         # Pin the channel
         response = channel.pin(user_id)
         assert response is not None