diff --git a/src/Vervis/Ticket.hs b/src/Vervis/Ticket.hs
index 204ab2c..e04011c 100644
--- a/src/Vervis/Ticket.hs
+++ b/src/Vervis/Ticket.hs
@@ -64,7 +64,7 @@ getTicketSummaries mfilt morder jid = fmap (map toSummary) $ select $ from $
         where_ $ t  ^. TicketProject ==. val jid
         groupBy
             ( t ^. TicketId, s ?. SharerId
-            , ra ?. RemoteActorId, i ?. InstanceId
+            , ra ?. RemoteActorId, ro ?. RemoteObjectId, i ?. InstanceId
             )
         for_ mfilt $ \ filt -> where_ $ filt t
         for_ morder $ \ order -> orderBy $ order t