diff --git a/youtube-dl b/youtube-dl
index 08afab4f8..db9510f7b 100755
--- a/youtube-dl
+++ b/youtube-dl
@@ -996,7 +996,7 @@ if __name__ == '__main__':
 		# Parse command line
 		parser = optparse.OptionParser(
 			usage='Usage: %prog [options] url...',
-			version='2009.05.11',
+			version='INTERNAL',
 			conflict_handler='resolve',
 		)