--- ./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;
--- ./prelude-manager.conf.in	2016-09-15 08:49:17.620000884 +0200
+++ ./prelude-manager.conf.in	2017-02-07 01:12:13.221471869 +0100
@@ -96,8 +96,8 @@
 # Note that much more settings might be enabled or disabled using this
 # option: please see gnutls_priority_init(3) for more details.
 #
-# The default settings is "NORMAL".
-# tls-options = NORMAL
+# The default settings is "@SYSTEM".
+# tls-options = @SYSTEM
 
 
 #