diff --git a/server/lib/Sensor.py b/server/lib/Sensor.py
index b4f9696..05beca3 100755
--- a/server/lib/Sensor.py
+++ b/server/lib/Sensor.py
@@ -8,7 +8,7 @@ import redis
 
 from flask import escape
 
-sys.path.append(os.path.join(os.environ['AIL_BIN'], 'lib/'))
+sys.path.append(os.path.join(os.environ['D4_HOME'], 'lib/'))
 import ConfigLoader
 
 ### Config ###
diff --git a/server/lib/User.py b/server/lib/User.py
index 84cf83f..df48e52 100755
--- a/server/lib/User.py
+++ b/server/lib/User.py
@@ -10,7 +10,7 @@ import random
 
 from flask_login import UserMixin
 
-sys.path.append(os.path.join(os.environ['AIL_BIN'], 'lib/'))
+sys.path.append(os.path.join(os.environ['D4_HOME'], 'lib/'))
 import ConfigLoader
 
 config_loader = ConfigLoader.ConfigLoader()