diff --git a/PyTracker/WriteGPX.py b/PyTracker/WriteGPX.py
index cfd73d3..b461c30 100644
--- a/PyTracker/WriteGPX.py
+++ b/PyTracker/WriteGPX.py
@@ -13,29 +13,29 @@ The file musst be closed, otherwise the file will be incomplete
 
 
 class WriteGPX:
-	def __init__(self, filename):
-		self.filename = filename
-		self.header = '<?xml version="1.0" encoding="UTF-8"?>\n\
-<gpx	version="1.1"\n\
-	creator="WriteGPX - Python Class used in PyTracker.py"\n\
-	xmlns:xsi="http://www.w3.org/XML/1998/namespace"\n\
-	xmlns="http://www.topografix.com/GPX/1/1"\n\
-	xsi:schemaLocation="http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd">\n\
+        def __init__(self, filename):
+                self.filename = filename
+                self.header = '<?xml version="1.0" encoding="UTF-8"?>\n\
+<gpx        version="1.1"\n\
+        creator="WriteGPX - Python Class used in PyTracker.py"\n\
+        xmlns:xsi="http://www.w3.org/XML/1998/namespace"\n\
+        xmlns="http://www.topografix.com/GPX/1/1"\n\
+        xsi:schemaLocation="http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd">\n\
 <trk>\n\
 <trkseg>\n'
-		self.footer = '</trkseg>\n</trk>\n</gpx>\n'
-		
-		with open(self.filename,'a') as file:
-			file.write(self.header)
-	
-	def write(self, lat, lon, ele, time):
-		self.trackpoint = '<trkpt lat="%s" lon="%s">\n\
+                self.footer = '</trkseg>\n</trk>\n</gpx>\n'
+                
+                with open(self.filename,'a') as file:
+                        file.write(self.header)
+        
+        def write(self, lat, lon, ele, time):
+                self.trackpoint = '<trkpt lat="%s" lon="%s">\n\
 <ele>%s</ele>\n\
 <time>%s</time>\n\
 </trkpt>\n' % (lat, lon, ele, time)
-		with open(self.filename,'a') as file:
-			file.write(self.trackpoint)
-	
-	def close(self):
-		with open(self.filename,'a') as file:
-			file.write(self.footer)
+                with open(self.filename,'a') as file:
+                        file.write(self.trackpoint)
+        
+        def close(self):
+                with open(self.filename,'a') as file:
+                        file.write(self.footer)