diff --git a/reginaldCog/messenger_clients/messenger_client.py b/reginaldCog/messenger_clients/messenger_client.py
index cfc0b5e..685c898 100644
--- a/reginaldCog/messenger_clients/messenger_client.py
+++ b/reginaldCog/messenger_clients/messenger_client.py
@@ -78,6 +78,7 @@ if __name__ == "__main__":
     class TestMessage:
         content = 'Hello!'
         author = TestAuthor()
+        attachments = []
 
 
     message = DiscordMessageBuilder(raw_message=TestMessage).create_message()