diff --git a/gestion/gen_confs/switchs2.py b/gestion/gen_confs/switchs2.py
index 7395cf5a..34a72341 100755
--- a/gestion/gen_confs/switchs2.py
+++ b/gestion/gen_confs/switchs2.py
@@ -441,7 +441,11 @@ def format_prises_group(data, first, last):
 def pretty_print(hostname):
     """Affiche joliement le plan de connexion d'un switch"""
     bat, sw_num = get_bat_num(hostname)
-    switch = ldap.search(u'host=bat%s-%d.adm.crans.org' % (bat, sw_num))[0]
+
+    try:
+        switch = ldap.search(u'host=bat%s-%d.adm.crans.org' % (bat, sw_num))[0]
+    except IndexError:
+        switch = ldap.search(u'host=bat%s-%d.crans.org' % (bat, sw_num))[0]
 
     port_dict = get_port_dict(switch)
     total = max(port_dict.keys())