diff --git a/library/ssl_tls13_server.c b/library/ssl_tls13_server.c
index 5be338d..c85ecb5 100644
--- a/library/ssl_tls13_server.c
+++ b/library/ssl_tls13_server.c
@@ -1611,7 +1611,11 @@
         mbedtls_ssl_set_inbound_transform( ssl, ssl->handshake->transform_handshake );
     }
     else
+    {
+        MBEDTLS_SSL_DEBUG_MSG( 2, ( "skip parse certificate" ) );
+        MBEDTLS_SSL_DEBUG_MSG( 2, ( "skip parse certificate verify" ) );
         mbedtls_ssl_handshake_set_state( ssl, MBEDTLS_SSL_CLIENT_FINISHED );
+    }
     return( 0 );
 }
 
@@ -1741,8 +1745,11 @@
                         ssl, MBEDTLS_SSL_CLIENT_CERTIFICATE_VERIFY );
                 }
                 else
+                {
+                    MBEDTLS_SSL_DEBUG_MSG( 2, ( "skip parse certificate verify" ) );
                     mbedtls_ssl_handshake_set_state(
                         ssl, MBEDTLS_SSL_CLIENT_FINISHED );
+                }
             }
             break;