diff --git a/src/sipvoiplink.cpp b/src/sipvoiplink.cpp
index 2741665193f6db14b0bdefcb866798e767ac89c9..b6b46f27a4356cf40d2898e91a8a2894646cb136 100644
--- a/src/sipvoiplink.cpp
+++ b/src/sipvoiplink.cpp
@@ -1433,7 +1433,8 @@ SIPVoIPLink::SIPRegistrationFailure( eXosip_event_t* event )
       setRegistrationState(Error);
       break;
     default:
-      _debug("Unknown error: %s\n" , event->response->status_code);
+      setRegistrationState(ErrorAuth);
+      //_debug("Unknown error: %s\n" , event->response->status_code);
   }
 }