diff --git a/gestion/hptools.py b/gestion/hptools.py
index 9bfef7e4..032b79bb 100644
--- a/gestion/hptools.py
+++ b/gestion/hptools.py
@@ -402,6 +402,7 @@ class hpswitch :
 		if etat == 'up' :
 		    nb += 1
 	    return nb
+	prise = prise.replace('-','')
 	return self.get(oid + '.' + str(prise)) == 'up'
 	
     def is_enable(self,prise=0) :