diff --git a/ssl/tls13_client.c b/ssl/tls13_client.c
index ebe7703..ee82535 100644
--- a/ssl/tls13_client.c
+++ b/ssl/tls13_client.c
@@ -421,7 +421,7 @@
   if (!tls13_check_message_type(ssl, SSL3_MT_CERTIFICATE_VERIFY) ||
       !tls13_process_certificate_verify(ssl) ||
       !ssl_hash_current_message(ssl)) {
-    return 0;
+    return ssl_hs_error;
   }
 
   hs->state = state_process_server_finished;