diff --git a/src/microhttpd/daemon.c b/src/microhttpd/daemon.c
index 56cd453..96caa96 100644
--- a/src/microhttpd/daemon.c
+++ b/src/microhttpd/daemon.c
@@ -5345,7 +5345,7 @@ MHD_start_daemon_va (unsigned int flags,
   if (0 != (*pflags & MHD_USE_TLS))
     {
       gnutls_priority_init (&daemon->priority_cache,
-			    "NORMAL",
+			    "@SYSTEM",
 			    NULL);
     }
 #endif /* HTTPS_SUPPORT */