diff --git a/device.py b/device.py
index de7b687..fa05591 100644
--- a/device.py
+++ b/device.py
@@ -1,7 +1,5 @@
-import os
 import subprocess
 
-# p = subprocess.Popen(['cat /home/pi/device_name'], shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-# out, err = p.communicate()
-# device_name = out.decode('utf-8').strip()
-device_name = os.getenv('device_name').strip()
+p = subprocess.Popen(['cat /home/pi/device_name'], shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+out, err = p.communicate()
+device_name = out.decode('utf-8').strip()