diff --git a/package.json b/package.json
index b11f1c6..7d23d13 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@mercuryworkshop/bare-mux",
-	"version": "2.1.1",
+	"version": "2.1.2",
 	"description": "",
 	"type": "module",
 	"scripts": {
diff --git a/src/connection.ts b/src/connection.ts
index e3cea39..22f0d8a 100644
--- a/src/connection.ts
+++ b/src/connection.ts
@@ -68,7 +68,7 @@ async function searchForPort(): Promise<MessagePort> {
 function tryGetPort(client: SWClient): Promise<MessagePort> {
 	let channel = new MessageChannel();
 	return new Promise(resolve => {
-		nativePostMessage.call(client, { type: "getPort", port: channel.port2 }, [channel.port2]);
+		client.postMessage({ type: "getPort", port: channel.port2 }, [channel.port2]);
 		channel.port1.onmessage = event => {
 			resolve(event.data)
 		}