diff --git a/gestion/tools/locate-mac.py b/gestion/tools/locate-mac.py
index 5783d520..57334a7e 100755
--- a/gestion/tools/locate-mac.py
+++ b/gestion/tools/locate-mac.py
@@ -19,11 +19,12 @@ def format_mac(unformated_mac):
 
 # classe d'interrogation des switchs
 class interroge_switch (threading.Thread) :
-    def __init__ (self, switch, mac = None) :
+    def __init__ (self, switch, mac=None, affiche_uplinks=False):
         threading.Thread.__init__(self)
         self.switch  = switch
         self.mac = mac
-        self.reponse=None
+        self.reponse = None
+        self.affiche_uplinks = affiche_uplinks
         self.start()
 
     def run (self) :
@@ -35,7 +36,7 @@ class interroge_switch (threading.Thread) :
             iteration = iteration-1
         if (prise != None): 
             nom=sw.nom(None,prise)
-            if affiche_uplinks or "uplink" not in nom:
+            if self.affiche_uplinks or "uplink" not in nom:
                 self.reponse = ("%-10s => prise %-2s : %s" % (self.switch.encode('iso-8859-15').replace('.adm.crans.org',''), str(prise), nom))
 
 
@@ -56,11 +57,11 @@ def info_machine(mac):
 
 
 # interrogation des switchs en parallele
-def trace_machine(mac):
+def trace_machine(mac, affiche_uplinks=False):
     tableau = []
 
     for switch in ['backbone','multiprise'] + all_switchs():
-        tableau.append(interroge_switch(switch, mac))
+        tableau.append(interroge_switch(switch, mac, affiche_uplinks))
 
     for t in tableau:
         t.join()
@@ -81,5 +82,5 @@ def trace_machine(mac):
 if __name__ == '__main__':
     mac = format_mac(sys.argv[1])
     affiche_uplinks = len(sys.argv) > 2 and bool(sys.argv[2])
-    print trace_machine(mac)
+    print trace_machine(mac, affiche_uplinks)
     print system('/usr/scripts/gestion/whos.py -a mac=%s' % mac)