diff --git a/Cura/gui/sliceProgessPanel.py b/Cura/gui/sliceProgessPanel.py
index eaaed967..6051b615 100644
--- a/Cura/gui/sliceProgessPanel.py
+++ b/Cura/gui/sliceProgessPanel.py
@@ -1,7 +1,7 @@
 from __future__ import absolute_import
 import __init__
 
-import wx, sys, os, shutil, math, threading, subprocess, time, re
+import wx, sys, os, shutil, math, threading, subprocess, time, re, platform
 
 from gui import taskbar
 from gui import preferencesDialog