diff --git a/gestion/gen_confs/switchs.py b/gestion/gen_confs/switchs.py
index ec2ee48e..fe2fb740 100644
--- a/gestion/gen_confs/switchs.py
+++ b/gestion/gen_confs/switchs.py
@@ -41,6 +41,7 @@ class switch(gen_config) :
     config = """%(switch_config_header)s
 
 hostname "%(switch)s"
+%(module-type)s
 ;-------------------------------------------------------- Snmp
 snmp-server contact "root@crans.org"
 snmp-server location "Batiment %(bat)s"
@@ -291,7 +292,7 @@ exit
             old_config = NamedTemporaryFile()
             res, msg = commands.getstatusoutput("scp bat%s-%i:cfg/startup-config %s" % (bat, sw_num, old_config.name))
 
-            if not res:
+            if res != 0:
                 raise RuntimeError(u"Erreur : impossible de récupérer l'ancienne configuration du switch")
 
             params['switch_config_header'] = old_config.readline()
@@ -301,6 +302,12 @@ exit
         else:
             params['switch_config_header']= '; J4899A Configuration Editor; Created on release #H.10.50'
 
+        model = params['switch_config_header'].split(' ', 2)[1]
+        if model == "J9145A":
+            params['module-type'] = 'module 1 type J9145A'
+        else:
+            params['module-type'] = ''
+
         # IP
         machine = self.db.search(switch)['machine'][0]
         params['ip'] = str(machine.ip())