diff --git a/websocket-tcp-chat/client.py b/websocket-tcp-chat/client.py
index 8a1bd9ae..4de91784 100755
--- a/websocket-tcp-chat/client.py
+++ b/websocket-tcp-chat/client.py
@@ -33,7 +33,7 @@ def start_client(loop, url):
             elif msg.type == aiohttp.WSMsgType.BINARY:
                 print('Binary: ', msg.data)
             elif msg.type == aiohttp.WSMsgType.PING:
-                ws.pong()
+                yield from ws.pong()
             elif msg.type == aiohttp.WSMsgType.PONG:
                 print('Pong received')
             else: