diff -up arpwatch-2.1a15/arpwatch.c.exitcode arpwatch-2.1a15/arpwatch.c

--- arpwatch-2.1a15/arpwatch.c.exitcode	2011-07-08 15:35:28.758414483 +0200

+++ arpwatch-2.1a15/arpwatch.c	2011-07-08 15:35:31.539417016 +0200

@@ -782,7 +782,7 @@ die(int signo)

 	syslog(LOG_DEBUG, "exiting");

 	checkpoint(0);

-	exit(1);

+	exit(0);

 }

 RETSIGTYPE