diff -r fc40924ac59b -r f1bcf8940a97 whois/whois.py
--- a/whois/whois.py	Thu Mar 17 15:37:34 2016 +0100
+++ b/whois/whois.py	Sun May 15 14:45:28 2016 +0000
@@ -121,7 +121,7 @@
         else:
             nhost = None
             response = response.decode('utf-8', errors='replace')
-            if b'with "=xxx"' in response:
+            if 'with "=xxx"' in response:
                 return self.whois(query, hostname, flags, True)
             if flags & NICClient.WHOIS_RECURSE and nhost is None:
                 nhost = self.findwhois_server(response, hostname, query)