--- libmicrohttpd-0.9.67/src/microhttpd/daemon.c.orig	2019-10-18 08:14:27.591969227 +0200
+++ libmicrohttpd-0.9.67/src/microhttpd/daemon.c	2019-10-18 08:15:20.306963570 +0200
@@ -5779,7 +5779,7 @@
   if (0 != (*pflags & MHD_USE_TLS))
   {
     gnutls_priority_init (&daemon->priority_cache,
-                          "NORMAL",
+                          "@SYSTEM",
                           NULL);
   }
 #endif /* HTTPS_SUPPORT */