--- libmicrohttpd-0.9.53/src/microhttpd/daemon.c.orig	2017-04-12 08:31:18.243540128 +0200
+++ libmicrohttpd-0.9.53/src/microhttpd/daemon.c	2017-04-12 08:34:19.851158371 +0200
@@ -5415,7 +5415,7 @@
   if (0 != (*pflags & MHD_USE_TLS))
     {
       gnutls_priority_init (&daemon->priority_cache,
-			    "NORMAL",
+			    "@SYSTEM",
 			    NULL);
     }
 #endif /* HTTPS_SUPPORT */