diff --git a/packages/server/src/routes/dm.ts b/packages/server/src/routes/dm.ts
index 8e3098c4..079cdbca 100644
--- a/packages/server/src/routes/dm.ts
+++ b/packages/server/src/routes/dm.ts
@@ -80,6 +80,8 @@ export function buildDmMessageWithUser(
     content: message.content,
     editedAt: message.editedAt,
     createdAt: message.createdAt,
+    sourceMessageId: message.sourceMessageId ?? null,
+    sourceInstance: message.sourceInstance ?? null,
     user: sanitizeUser(user),
     attachments: attachmentRows.map(a => ({
       id: a.id,