diff --git a/gestion/gen_confs/firewall_new.py b/gestion/gen_confs/firewall_new.py
index 8d6d9b3a..5699a964 100755
--- a/gestion/gen_confs/firewall_new.py
+++ b/gestion/gen_confs/firewall_new.py
@@ -590,7 +590,7 @@ class firewall_komaz(firewall_crans) :
                "handle 9997: sfq perturb 10" % locals())
                
             tc("class add dev %(interface)s parent 1:1 classid 1:9998 "
-                   "htb rate %(debit_adh)skbps ceil %(debit_max_semi)skbps prio 0" % locals())
+                   "htb rate %(debit_max_semi)skbps ceil %(debit_max)skbps prio 1" % locals())
             tc("qdisc add dev %(interface)s parent 1:9998 "
                    "handle 9998: sfq perturb 10" % locals())
         print OK
@@ -621,7 +621,7 @@ class firewall_komaz(firewall_crans) :
             qdisc_id = class_id
             for interface in [self.eth_ext, self.eth_int]:
                 tc("class add dev %(interface)s parent 1:1 classid 1:%(class_id)d "
-                   "htb rate %(debit_adh)skbps ceil %(debit_max)skbps prio 1" % locals())
+                   "htb rate %(debit_adh)skbps ceil %(debit_max)skbps prio 0" % locals())
                 tc("qdisc add dev %(interface)s parent 1:%(class_id)d "
                    "handle %(qdisc_id)d: sfq perturb 10" % locals())