diff --git a/gestion/tools/locate-mac.py b/gestion/tools/locate-mac.py
index 7352d12b..ce373b60 100755
--- a/gestion/tools/locate-mac.py
+++ b/gestion/tools/locate-mac.py
@@ -59,7 +59,7 @@ def info_machine(mac):
 def trace_machine(mac):
     tableau = []
 
-    for switch in ['backbone'] + all_switchs():
+    for switch in ['backbone','multiprise'] + all_switchs():
         tableau.append(interroge_switch(switch, mac))
 
     for t in tableau: