diff --git a/rasp_grid.py b/rasp_grid.py
index c2310a5..0d105cb 100644
--- a/rasp_grid.py
+++ b/rasp_grid.py
@@ -174,7 +174,7 @@ def main():
     file = os.path.join(path, 'traces-grid1.raw')
     temp_file = os.path.join(path, 'temp_file.txt')
 
-    w1_bus_path = os.path.join(glob.glob('/sys/bus/w1/devices/28*')[0], 'w1-slave')
+    w1_bus_path = '/sys/bus/w1/devices/28-00000aee438d/w1_slave'
     f = open(file, 'wb')
     temp_f = open(temp_file, 'w')