Index: b/sshd.c
===================================================================
--- a/sshd.c
+++ b/sshd.c
@@ -318,6 +318,7 @@
 	close_listen_socks();
 	close_startup_pipes();
 	alarm(0);  /* alarm timer persists across exec */
+	signal(SIGHUP, SIG_IGN); /* will be restored after exec */
 	execv(saved_argv[0], saved_argv);
 	logit("RESTART FAILED: av[0]='%.100s', error: %.100s.", saved_argv[0],
 	    strerror(errno));