diff --git a/gestion/gen_confs/firewall_komaz.py b/gestion/gen_confs/firewall_komaz.py
index 15d92399..e8bdedb4 100755
--- a/gestion/gen_confs/firewall_komaz.py
+++ b/gestion/gen_confs/firewall_komaz.py
@@ -106,7 +106,7 @@ class firewall_komaz(firewall_crans) :
         iptables("-t nat -I PREROUTING 6 -i %s -j ACCEPT" % self.eth_ext )
 	iptables("-t nat -I PREROUTING 6 -s %s -j ACCEPT" % self.zone_serveur )
 	iptables("-t nat -I PREROUTING 6 -d %s -j ACCEPT" % self.zone_serveur )
-	iptables("-t nat -R PREROUTING 5 -i %s -j RESEAUX_NON_ROUTABLES_SRC" % self.zone_serveur )
+	iptables("-t nat -R PREROUTING 5 -i %s -j RESEAUX_NON_ROUTABLES_SRC" % self.eth_ext )
         print OK
  
     def filter_table_tweaks(self) :