diff --git a/wasm/src/avs_pc.ts b/wasm/src/avs_pc.ts
index 1e7bf1b79..21adf7efa 100644
--- a/wasm/src/avs_pc.ts
+++ b/wasm/src/avs_pc.ts
@@ -1346,7 +1346,7 @@ function pc_Create(hnd: number, privacy: number, conv_type: number) {
           pc_log(LOG_LEVEL_INFO, `onTrack: calling ash(${pc.convid}, ${label}) with ${event.streams.length} streams`);
 	  audioStreamHandler(
 	      pc.convid,
-              label,
+              hnd.toString() + label,
 	      event.streams);
       }
       if (event.track.kind == "video" && videoStreamHandler) {
@@ -1387,7 +1387,7 @@ function pc_Close(hnd: number) {
         const label = track.label;
         if (audioStreamHandler && pc.rtc) {
           pc_log(LOG_LEVEL_INFO, `pc_Close: calling ash(${pc.convid}, ${label}) with 0 streams`);
-          audioStreamHandler(pc.convid, label, null);
+          audioStreamHandler(pc.convid, hnd.toString() + label, null);
         }
       }
     });
@@ -1832,7 +1832,7 @@ function pc_RemoveUserInfo(hnd: number, labelPtr: number) {
   if (pc.users.hasOwnProperty(label)) {
     if (audioStreamHandler) {
       pc_log(LOG_LEVEL_INFO, `pcRemoveUserInfo: calling ash(${pc.convid}, ${label}) with 0 streams`);
-      audioStreamHandler(pc.convid, label, null);
+      audioStreamHandler(pc.convid, hnd.toString() + label, null);
     }
     delete pc.users[label];
   }