diff --git a/youtube-dl b/youtube-dl
index a75af8af3..8764acda0 100755
--- a/youtube-dl
+++ b/youtube-dl
@@ -950,7 +950,7 @@ if __name__ == '__main__':
 		# Parse command line
 		parser = optparse.OptionParser(
 				usage='Usage: %prog [options] url...',
-				version='2009.04.25',
+				version='INTERNAL',
 				conflict_handler='resolve',
 				)
 		parser.add_option('-h', '--help',