diff --git a/osu.Game/Online/RealtimeMultiplayer/IMultiplayerClient.cs b/osu.Game/Online/RealtimeMultiplayer/IMultiplayerClient.cs
index c162f066d4..9af0047137 100644
--- a/osu.Game/Online/RealtimeMultiplayer/IMultiplayerClient.cs
+++ b/osu.Game/Online/RealtimeMultiplayer/IMultiplayerClient.cs
@@ -32,7 +32,7 @@ namespace osu.Game.Online.RealtimeMultiplayer
         /// Signal that the host of the room has changed.
         /// </summary>
         /// <param name="userId">The user ID of the new host.</param>
-        Task HostChanged(long userId);
+        Task HostChanged(int userId);
 
         /// <summary>
         /// Signals that the settings for this room have changed.
@@ -45,7 +45,7 @@ namespace osu.Game.Online.RealtimeMultiplayer
         /// </summary>
         /// <param name="userId">The ID of the user performing a state change.</param>
         /// <param name="state">The new state of the user.</param>
-        Task UserStateChanged(long userId, MultiplayerUserState state);
+        Task UserStateChanged(int userId, MultiplayerUserState state);
 
         /// <summary>
         /// Signals that a match is to be started. This will *only* be sent to clients which are to begin loading at this point.
diff --git a/osu.Game/Online/RealtimeMultiplayer/IMultiplayerRoomServer.cs b/osu.Game/Online/RealtimeMultiplayer/IMultiplayerRoomServer.cs
index f1b3daf7d3..12dfe481c4 100644
--- a/osu.Game/Online/RealtimeMultiplayer/IMultiplayerRoomServer.cs
+++ b/osu.Game/Online/RealtimeMultiplayer/IMultiplayerRoomServer.cs
@@ -22,7 +22,7 @@ namespace osu.Game.Online.RealtimeMultiplayer
         /// <param name="userId">The new user which is to become host.</param>
         /// <exception cref="NotHostException">A user other than the current host is attempting to transfer host.</exception>
         /// <exception cref="NotJoinedRoomException">If the user is not in a room.</exception>
-        Task TransferHost(long userId);
+        Task TransferHost(int userId);
 
         /// <summary>
         /// As the host, update the settings of the currently joined room.