diff --git a/ssl/tls13_client.c b/ssl/tls13_client.c
index fd60bd3..4b0b56b 100644
--- a/ssl/tls13_client.c
+++ b/ssl/tls13_client.c
@@ -168,7 +168,7 @@
   CBB cbb, body;
   if (!ssl->method->init_message(ssl, &cbb, &body, SSL3_MT_CLIENT_HELLO) ||
       !ssl_add_client_hello_body(ssl, &body) ||
-      !ssl->method->finish_message(ssl, &cbb)) {
+      !ssl_complete_message(ssl, &cbb)) {
     CBB_cleanup(&cbb);
     return ssl_hs_error;
   }
@@ -602,7 +602,7 @@
   CBB cbb, body;
   if (!ssl->method->init_message(ssl, &cbb, &body, SSL3_MT_CHANNEL_ID) ||
       !tls1_write_channel_id(ssl, &body) ||
-      !ssl->method->finish_message(ssl, &cbb)) {
+      !ssl_complete_message(ssl, &cbb)) {
     CBB_cleanup(&cbb);
     return ssl_hs_error;
   }