diff --git a/Lib/optparse.py b/Lib/optparse.py
index 7b1734c..d9225e1 100644
--- a/Lib/optparse.py
+++ b/Lib/optparse.py
@@ -11,6 +11,7 @@
 __version__ = "1.5.3"
 
 __all__ = ['Option',
+           'make_option',
            'SUPPRESS_HELP',
            'SUPPRESS_USAGE',
            'Values',