--- at-3.1.7/atd.c.sigchld	Mon May 24 16:56:41 1999
+++ at-3.1.7/atd.c	Mon May 24 16:58:57 1999
@@ -348,6 +348,9 @@
 	    if (setuid(uid) < 0)
 		perr("Cannot set user id");
 
+	    if (SIG_ERR == signal(SIGCHLD, SIG_DFL))
+		perr("Cannot reset signal handler to default");
+
 	    chdir("/");
 
 	    if (execle("/bin/sh", "sh", (char *) NULL, nenvp) != 0)