diff --git a/src/bot/mtproto-api/workrooms.ts b/src/bot/mtproto-api/workrooms.ts
index 7ec8a5a..293dc36 100644
--- a/src/bot/mtproto-api/workrooms.ts
+++ b/src/bot/mtproto-api/workrooms.ts
@@ -186,7 +186,7 @@ export async function reopenChat(context: Context<"issues.reopened", SupportedEv
                     pinMessages: true,
                     untilDate: 0, // forever
                 }),
-                peer: chatPeer,
+                peer: new mtProto.api.InputPeerChat({ chatId: chatPeer.chatId }),
             })
         );