diff --git a/Python/etc/arpwatch.conf b/Python/etc/arpwatch.conf
index 3bc01c4..0181887 100644
--- a/Python/etc/arpwatch.conf
+++ b/Python/etc/arpwatch.conf
@@ -1,4 +1,5 @@
 # -*- coding: utf-8; mode: python -*-
+header()
 
 info["owner"] = "root"
 info["group"] = "root"
diff --git a/Python/etc/monit/services b/Python/etc/monit/services
index aa2dd65..74f40a5 100644
--- a/Python/etc/monit/services
+++ b/Python/etc/monit/services
@@ -66,7 +66,18 @@ service("backuppc-server",
 service("isc-dhcp-server",
     pidf="dhcpd")
 
-# bind's pidfile has changed on squeeze
+if has('arpwatch'):
+    include("arpwatch")
+    # TODO modeliser ceci par un seul service pour éviter des races débiles
+    # au moment des restart ...
+    for vlan in watched_vlans:
+        iface = 'eth0'
+        if vlan <> 1:
+            iface += '.%d' % vlan
+        service(None, name='arpwatch-%s' % iface,
+            init='arpwatch',
+        )
+
 service("bind",
         init="bind9",
         pidf="named/named")