diff --git a/addons/hw_scanner/controllers/main.py b/addons/hw_scanner/controllers/main.py
index fc2724dd31d..2ef49b7e6fd 100644
--- a/addons/hw_scanner/controllers/main.py
+++ b/addons/hw_scanner/controllers/main.py
@@ -4,7 +4,7 @@
 import logging
 import time
 from os import listdir
-from os.path import join
+from os.path import join, isdir
 from Queue import Queue, Empty
 from select import select
 from threading import Thread, Lock
@@ -121,7 +121,7 @@ class Scanner(Thread):
             if not evdev:
                 return []
 
-            if not os.path.isdir(self.input_dir):
+            if not isdir(self.input_dir):
                 return []
 
             new_devices = [device for device in listdir(self.input_dir)