diff --git a/ospf6d/ospf6_main.c b/ospf6d/ospf6_main.c
index 0e61315271..6f7717c896 100644
--- a/ospf6d/ospf6_main.c
+++ b/ospf6d/ospf6_main.c
@@ -129,7 +129,7 @@ Report bugs to zebra@zebra.org\n", progname);
   exit (status);
 }
 
-static void
+static void __attribute__ ((noreturn))
 ospf6_exit (int status)
 {
   extern struct ospf6 *ospf6;