diff --git a/matrix/api.py b/matrix/api.py
index 832f7ec..f698188 100644
--- a/matrix/api.py
+++ b/matrix/api.py
@@ -223,7 +223,6 @@ class MatrixMessage:
             options,          # type: PluginOptions
             message_type,     # type: MessageType
             room_id=None,     # type: str
-            data={},          # type: Dict[str, Any]
             **kwargs
     ):
         # type: (...) -> None
@@ -298,7 +297,8 @@ class MatrixMessage:
             self.request = server.client.room_leave(room_id)
 
         elif message_type == MessageType.INVITE:
-            self.request = server.client.room_invite(room_id, data)
+            assert self.user_id
+            self.request = server.client.room_invite(room_id, self.user_id)
 
 
 class MatrixUser:
diff --git a/matrix/commands.py b/matrix/commands.py
index 4cebb41..cd3d268 100644
--- a/matrix/commands.py
+++ b/matrix/commands.py
@@ -261,7 +261,7 @@ def matrix_command_invite_cb(data, buffer, command):
             OPTIONS,
             MessageType.INVITE,
             room_id=room_id,
-            data=invitee
+            user_id=invitee
         )
         server.send_or_queue(message)