diff --git a/ablib.py b/ablib.py
index 2990c76..157b10f 100644
--- a/ablib.py
+++ b/ablib.py
@@ -2502,7 +2502,7 @@ def pressed(self,keyid):
 
 #--------------------------------------------------------------
 
-w1path = "/sys/bus/w1/devices/w1 bus master"
+w1path = "/sys/bus/w1/devices/w1_bus_master1"
 
 def w1buslist():