diff --git a/library/ssl_tls13_server.c b/library/ssl_tls13_server.c
index 9d2c8ec..7508685 100644
--- a/library/ssl_tls13_server.c
+++ b/library/ssl_tls13_server.c
@@ -583,8 +583,8 @@
 #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
             case MBEDTLS_TLS_EXT_SERVERNAME:
                 MBEDTLS_SSL_DEBUG_MSG( 3, ( "found ServerName extension" ) );
-                ret = mbedtls_ssl_parse_servername_ext( ssl, p,
-                                                        extension_data_end );
+                ret = mbedtls_ssl_parse_server_name_ext( ssl, p,
+                                                         extension_data_end );
                 if( ret != 0 )
                 {
                     MBEDTLS_SSL_DEBUG_RET(