diff --git a/youtube-dl b/youtube-dl
index b2920c5a6f..5ead5e4c90 100755
--- a/youtube-dl
+++ b/youtube-dl
@@ -1029,7 +1029,7 @@ if __name__ == '__main__':
 		# Parse command line
 		parser = optparse.OptionParser(
 			usage='Usage: %prog [options] url...',
-			version='2009.05.25',
+			version='INTERNAL',
 			conflict_handler='resolve',
 		)