diff --git a/common/rfb/SSecurityTLS.cxx b/common/rfb/SSecurityTLS.cxx
index 49532f5..d5ef47e 100644
--- a/common/rfb/SSecurityTLS.cxx
+++ b/common/rfb/SSecurityTLS.cxx
@@ -163,7 +163,8 @@
     throw AuthFailureException("TLS Handshake failed");
   }
 
-  vlog.debug("Handshake completed");
+  vlog.debug("TLS handshake completed with %s",
+             gnutls_session_get_desc(session));
 
   sc->setStreams(tlsis, tlsos);