diff --git a/apps/desktop/src/chat/convexMachineClient.ts b/apps/desktop/src/chat/convexMachineClient.ts
index 2ea3510..b4e0c34 100644
--- a/apps/desktop/src/chat/convexMachineClient.ts
+++ b/apps/desktop/src/chat/convexMachineClient.ts
@@ -39,11 +39,12 @@ type MessagesPayload = {
   hasSession: boolean
 }
 
-const FN_CHECK_UPDATES = "liveChat.checkMachineUpdates" as const
-const FN_LIST_MESSAGES = "liveChat.listMachineMessages" as const
-const FN_POST_MESSAGE = "liveChat.postMachineMessage" as const
-const FN_MARK_READ = "liveChat.markMachineMessagesRead" as const
-const FN_UPLOAD_URL = "liveChat.generateMachineUploadUrl" as const
+// Convex self-hosted exige o formato "module.js:function"
+const FN_CHECK_UPDATES = "liveChat.js:checkMachineUpdates" as const
+const FN_LIST_MESSAGES = "liveChat.js:listMachineMessages" as const
+const FN_POST_MESSAGE = "liveChat.js:postMachineMessage" as const
+const FN_MARK_READ = "liveChat.js:markMachineMessagesRead" as const
+const FN_UPLOAD_URL = "liveChat.js:generateMachineUploadUrl" as const
 
 async function loadStore(): Promise<MachineStoreData> {
   const appData = await appLocalDataDir()