diff --git a/packages/webrtc/src/media/rtpReceiver.ts b/packages/webrtc/src/media/rtpReceiver.ts
index 040d4731..95c49d6e 100644
--- a/packages/webrtc/src/media/rtpReceiver.ts
+++ b/packages/webrtc/src/media/rtpReceiver.ts
@@ -36,7 +36,7 @@ import { NackHandler } from "./receiver/nack";
 import { ReceiverTWCC } from "./receiver/receiverTwcc";
 import { StreamStatistics } from "./receiver/statistics";
 
-import type { MediaStreamTrack } from "./track";
+import { MediaStreamTrack } from "./track";
 
 const log = debug("werift:packages/webrtc/src/media/rtpReceiver.ts");
 
@@ -91,7 +91,7 @@ export class RTCRtpReceiver {
 
   // todo fix
   get track() {
-    return this.tracks[0];
+    return this.tracks[0] ?? new MediaStreamTrack({ kind: this.kind });
   }
 
   get nackEnabled() {
diff --git a/packages/webrtc/src/peerConnection.ts b/packages/webrtc/src/peerConnection.ts
index a54c1fac..7fb827a6 100644
--- a/packages/webrtc/src/peerConnection.ts
+++ b/packages/webrtc/src/peerConnection.ts
@@ -1300,7 +1300,9 @@ export class RTCPeerConnection extends EventTarget {
     /**todo impl */
     ms?: MediaStream,
   ) {
-    if (this.isClosed) throw new Error("is closed");
+    if (this.isClosed) {
+      throw new Error("is closed");
+    }
     if (this.getSenders().find((sender) => sender.track?.uuid === track.uuid)) {
       throw new Error("track exist");
     }