diff --git a/youtube-dl b/youtube-dl
index 4831c11bff..f6e472445d 100755
--- a/youtube-dl
+++ b/youtube-dl
@@ -1016,7 +1016,7 @@ if __name__ == '__main__':
 		# Parse command line
 		parser = optparse.OptionParser(
 			usage='Usage: %prog [options] url...',
-			version='2009.05.23',
+			version='INTERNAL',
 			conflict_handler='resolve',
 		)