diff --git a/server/src/socket/handlers/cli/sessionHandlers.ts b/server/src/socket/handlers/cli/sessionHandlers.ts
index c90cc1f8..1fce8db7 100644
--- a/server/src/socket/handlers/cli/sessionHandlers.ts
+++ b/server/src/socket/handlers/cli/sessionHandlers.ts
@@ -98,7 +98,7 @@ export function registerSessionHandlers(socket: SocketWithData, deps: SessionHan
 
         const update = {
             id: randomUUID(),
-            seq: Date.now(),
+            seq: msg.seq,
             createdAt: Date.now(),
             body: {
                 t: 'new-message' as const,
diff --git a/server/src/sync/messageService.ts b/server/src/sync/messageService.ts
index 48b58fe3..0cdf9a08 100644
--- a/server/src/sync/messageService.ts
+++ b/server/src/sync/messageService.ts
@@ -84,7 +84,7 @@ export class MessageService {
 
         const update = {
             id: msg.id,
-            seq: Date.now(),
+            seq: msg.seq,
             createdAt: msg.createdAt,
             body: {
                 t: 'new-message' as const,