diff --git a/cura_app.py b/cura_app.py
index 796ecd96a9..2b24b2c664 100755
--- a/cura_app.py
+++ b/cura_app.py
@@ -3,6 +3,7 @@
 # Copyright (c) 2015 Ultimaker B.V.
 # Cura is released under the terms of the AGPLv3 or higher.
 
+import os
 import sys
 
 # It looks like setuptools creates a .pth file in