diff --git a/LightlessSyncAPI/SignalR/ILightlessHub.cs b/LightlessSyncAPI/SignalR/ILightlessHub.cs
index 45f1bad..eddca39 100644
--- a/LightlessSyncAPI/SignalR/ILightlessHub.cs
+++ b/LightlessSyncAPI/SignalR/ILightlessHub.cs
@@ -74,7 +74,7 @@ public interface ILightlessHub
     Task<bool> SetGroupBroadcastStatus(GroupBroadcastRequestDto dto);
     Task<List<GroupJoinDto>> GetBroadcastedGroups(List<BroadcastStatusInfoDto> broadcastEntries);
     Task<BroadcastStatusInfoDto?> IsUserBroadcasting(string hashedCid);
-    Task<BroadcastStatusBatchDto> AreUsersBroadcasting(List<string> hashedCids);
+    Task<BroadcastStatusBatchDto?> AreUsersBroadcasting(List<string> hashedCids);
     Task<TimeSpan?> GetBroadcastTtl(string hashedCid);
 
     Task UserDelete();
@@ -103,4 +103,4 @@ public interface ILightlessHub
     Task GposeLobbyPushCharacterData(CharaDataDownloadDto charaDownloadDto);
     Task GposeLobbyPushPoseData(PoseData poseData);
     Task GposeLobbyPushWorldData(WorldData worldData);
-}
\ No newline at end of file
+}