--- ./src/manager-auth.c	2016-09-15 08:49:17.621000884 +0200
+++ ./src/manager-auth.c	2017-01-30 00:34:26.922258220 +0100
@@ -557,7 +557,7 @@
         int ret;
         const char *errptr;
 
-        ret = gnutls_priority_init(&tls_priority, (tlsopts) ? tlsopts : "NORMAL", &errptr);
+        ret = gnutls_priority_init(&tls_priority, (tlsopts) ? tlsopts : "@SYSTEM", &errptr);
         if ( ret < 0 ) {
                 prelude_log(PRELUDE_LOG_ERR, "TLS priority error: %s: '%s'.\n", gnutls_strerror(ret), errptr);
                 return -2;