diff --git a/index.d.ts b/index.d.ts
index c7ab56c..a84254f 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -86,7 +86,7 @@ declare class ThreadStream extends EventEmitter {
    * @param transferList an optional list of transferable objects to be transferred to the Worker context.
    * @returns {boolean} true if the event had listeners, false otherwise.
    */
-  emit(eventName: 'message', message: any, transferList?: Transferable[]): boolean
+  emit(eventName: 'message', message: any, transferList?: workerThreads.TransferListItem[]): boolean
 }
 
 export = ThreadStream;