diff --git a/gestion/hptools.py b/gestion/hptools.py
index 7c5bccba..9bfef7e4 100644
--- a/gestion/hptools.py
+++ b/gestion/hptools.py
@@ -277,7 +277,7 @@ class hpswitch :
         # On cherche dans data la bonne adresse MAC
         for (onesnmp, onemac) in data.iteritems():
             if onemac[1:-2] == mac:
-                return int(onesnmp.split(".")[12])
+                return int(onesnmp.split(".")[1])
 
         # On a rien trouvé
         return None