diff --git a/Riot/Modules/Room/TimelineCells/Styles/Plain/Cells/VoiceMessage/VoiceMessagePlainCell.swift b/Riot/Modules/Room/TimelineCells/Styles/Plain/Cells/VoiceMessage/VoiceMessagePlainCell.swift
index b84a3d741..0a8cfc59f 100644
--- a/Riot/Modules/Room/TimelineCells/Styles/Plain/Cells/VoiceMessage/VoiceMessagePlainCell.swift
+++ b/Riot/Modules/Room/TimelineCells/Styles/Plain/Cells/VoiceMessage/VoiceMessagePlainCell.swift
@@ -16,7 +16,7 @@
 
 import Foundation
 
-class VoiceMessagePlainCell: SizableBaseRoomCell, RoomCellReactionsDisplayable, RoomCellReadMarkerDisplayable {
+class VoiceMessagePlainCell: SizableBaseRoomCell, RoomCellReactionsDisplayable, RoomCellReadMarkerDisplayable, RoomCellThreadSummaryDisplayable {
     
     private(set) var playbackController: VoiceMessagePlaybackController!