diff --git a/gpx.py b/gpx.py
index cfe7985..d9d0d34 100755
--- a/gpx.py
+++ b/gpx.py
@@ -3,31 +3,8 @@
 #Help: GPX
 #Depend: GCode
 #Type: postprocess
-#Param: machineType(str:r2) Machine type
 #Param: gpxPath(str:/Applications/GPX) GPX path
-
-##  gpx.py - cura plugin
-##
-##  install in ~/.cura/plugins
-##
-##  Created by WHPThomas <me(at)henri(dot)net> on 9/25/13.
-##
-##  Copyright (c) 2013 WHPThomas, All rights reserved.
-##
-##  This program is free software; you can redistribute it and/or modify
-##  it under the terms of the GNU General Public License as published by
-##  the Free Software Foundation; either version 2 of the License, or
-##  (at your option) any later version.
-##
-##  This program is distributed in the hope that it will be useful,
-##  but WITHOUT ANY WARRANTY; without even the implied warranty of
-##  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-##  GNU General Public License for more details.
-##
-##  You should have received a copy of the GNU General Public License
-##  along with this program; if not, write to the Free Software Foundation,
-##  Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-
+#Param: machineType(str:r2) Machine type
 
 import platform
 import os
@@ -39,14 +16,15 @@ def getGpxAppName():
 		if os.path.exists(gpxPath + '/gpx.exe'):
 			return gpxPath + '/gpx.exe'
 		return gpxPath + 'gpx.exe'
-	if os.path.isfile(gpxPath + '/' + configFile):
-		return gpxPath + '/' + configFile
-	return gpxPath + configFile
+	if os.path.isfile(gpxPath + '/gpx'):
+		return gpxPath + '/gpx'
+	return gpxPath + 'gpx'
 
 x3gFile = profile.getPreference('lastFile')
 x3gFile = x3gFile[0:x3gFile.rfind('.')] + '.x3g'
 
 commandList = [getGpxAppName(), '-p', '-r']
 commandList += ['-m', machineType]
-commandList += ['"' + filename + '"', '"' + x3gFile + '"']
-call(commandList)
\ No newline at end of file
+commandList += [filename, x3gFile]
+call(commandList)
+