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