diff --git a/speaker_client.py b/speaker_client.py
index bc7daf984..35bcfd6db 100644
--- a/speaker_client.py
+++ b/speaker_client.py
@@ -111,4 +111,6 @@ def runSpeakerClient(baseDir: str, proxyType: str, httpPrefix: str,
         # wait for a while, or until a key is pressed
         rlist, wlist, xlist = select([sys.stdin], [], [], 30)
         if rlist:
+            print('wlist: ' + str(wlist))
+            print('xlist: ' + str(xlist))
             break