diff --git a/hbd b/hbd
index 3c5baf9..5117ff2 100755
--- a/hbd
+++ b/hbd
@@ -847,7 +847,7 @@ async def ws_serve(websocket, path):
 
 	ws_connections[websocket] = path
 	remote_address = websocket.remote_address
-	if verbose: print(f"DBG ws_serve: {remote_address}")
+	if verbose: print(f"DBG ws_serve: {remote_address}: {path}")
 	while True:
 		try:
 			name = await websocket.recv()
@@ -866,10 +866,11 @@ async def ws_serve(websocket, path):
 			await websocket.send(jmsg)
 
 	if verbose: print(f"DBG ws_serve: close {remote_address}")
-	try:
-		del ws_connections[websocket]
-	except Exception as e:
-		print(f"warning: failed to delete websocket: {e}")
+	await websocket.wait_closed()
+#	try:
+#		del ws_connections[websocket]
+#	except Exception as e:
+#		print(f"warning: failed to delete websocket: {e}")
 
 def websocketupdater():
 	loop.run_forever()
@@ -879,15 +880,19 @@ def msg_to_websockets(typ: str, msg: str):
 	jmsg = json.dumps({'type': typ, 'data': msg})
 	to_close = []
 	for ws in ws_connections:
+		if ws.closed:
+			to_close.append(ws)
+			continue
 		try:
-			asyncio.run(ws.send(jmsg))
+			asyncio.run_coroutine_threadsafe(ws.send(jmsg), loop)
 		except Exception:
 			to_close.append(ws)
 			print("ws.send exception: closed")
 
 	for ws in to_close:
-		ws.close()
-		del ws_connections[ws]
+		asyncio.run_coroutine_threadsafe(ws.wait_closed(), loop)
+		if ws in ws_connections:
+			del ws_connections[ws]
 #
 # Main
 #
@@ -1119,19 +1124,20 @@ except:
 	print(("failed to start server on %s:%s" % (hbd_host, hbd_port)))
 	sys.exit(1)
 
-
-loop = asyncio.get_event_loop()
+#
+loop=asyncio.new_event_loop()
+asyncio.set_event_loop(loop)
 
 ssl_context = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
 wss_pem = pathlib.Path(WSS_PEM)
 wss_key = pathlib.Path(WSS_KEY)
-
 ssl_context.load_cert_chain(wss_pem, keyfile=wss_key)
-wss_start_server = websockets.serve(ws_serve, hbd_host, WSSPORT, ssl=ssl_context)
+wss_start_server = websockets.serve(ws_serve, hbd_host, WSSPORT, 
+					ssl=ssl_context, loop=loop, subprotocols="hbd")
 loop.run_until_complete(wss_start_server)
 
-ws_start_server = websockets.serve(ws_serve, hbd_host, WSPORT, loop = loop)
-
+ws_start_server = websockets.serve(ws_serve, hbd_host, WSPORT, 
+					loop = loop, subprotocols="hbd")
 loop.run_until_complete(ws_start_server)
 
 servthread = threading.Thread(target=serv.serve_forever)