diff --git a/clamav-milter.upstart b/clamav-milter.upstart
index 7d14046..02d7080 100644
--- a/clamav-milter.upstart
+++ b/clamav-milter.upstart
@@ -6,11 +6,9 @@
 
 ### Uncomment these lines when you want clamav-milter to be a milter
 ### for a remotely running MTA
-#start on starting local
+#start on runlevel [345] and starting local
 
-stop  on (runlevel 0 or
-          runlevel 1 or
-          runlevel 6)
+stop  on runlevel [!345]
 
 respawn
 exec /usr/sbin/clamav-milter -c /etc/mail/clamav-milter.conf --nofork=yes
diff --git a/clamd.scan.upstart b/clamd.scan.upstart
index add1e4f..cb20b29 100644
--- a/clamd.scan.upstart
+++ b/clamd.scan.upstart
@@ -6,11 +6,9 @@
 
 ### Uncomment this line when you want clamd.scan to be a generic
 ### scanner service
-#start on starting local
+#start on runlevel [345] and starting local
 
-stop  on (runlevel 0 or
-	  runlevel 1 or
-	  runlevel 6)
+stop  on runlevel [!345]
 
 respawn
 exec /usr/sbin/clamd -c /etc/clamd.d/scan.conf --nofork=yes