diff --git a/SignalMessaging/utils/ThreadUtil.m b/SignalMessaging/utils/ThreadUtil.m
index 86e1b9287..9ebed697f 100644
--- a/SignalMessaging/utils/ThreadUtil.m
+++ b/SignalMessaging/utils/ThreadUtil.m
@@ -244,6 +244,7 @@ NS_ASSUME_NONNULL_BEGIN
     [messageSender sendAttachment:attachment.dataSource
         contentType:attachment.mimeType
         sourceFilename:attachment.filenameOrDefault
+        albumMessageId:message.uniqueId
         inMessage:message
         success:^{
             OWSLogDebug(@"Successfully sent message attachment.");