diff --git a/ADSB_Encoder.py b/ADSB_Encoder.py
index 8093b8e..df08524 100755
--- a/ADSB_Encoder.py
+++ b/ADSB_Encoder.py
@@ -397,11 +397,11 @@ if __name__ == "__main__":
     
     argc = len(argv)
     if argc != 5:
-      print
-      print 'Usage: '+ argv[0] +'  <ICAO> <Latitude> <Longitude> <Altitude>'
-      print
-      print '    Example: '+ argv[0] +'  0xABCDEF 12.34 56.78 9999.0'
-      print
+      print()
+      print( 'Usage: '+ argv[0] +'  <ICAO> <Latitude> <Longitude> <Altitude>')
+      print()
+      print( '    Example: '+ argv[0] +'  0xABCDEF 12.34 56.78 9999.0')
+      print()
       exit(2)
 
     icao = int(argv[1], 16)