diff --git a/wxPython/distrib/DIRLIST b/wxPython/distrib/DIRLIST
index 0775d812db..179edf1201 100644
--- a/wxPython/distrib/DIRLIST
+++ b/wxPython/distrib/DIRLIST
@@ -69,6 +69,7 @@ wxPython/wx/build
 wxPython/wx/lib
 wxPython/wx/lib/colourchooser
 wxPython/wx/lib/editor
+wxPython/wx/lib/masked
 wxPython/wx/lib/mixins
 wxPython/wx/py
 wxPython/wx/py/tests
diff --git a/wxPython/setup.py b/wxPython/setup.py
index 169a88cc4a..62931f836d 100755
--- a/wxPython/setup.py
+++ b/wxPython/setup.py
@@ -698,6 +698,7 @@ if __name__ == "__main__":
                           'wx.lib',
                           'wx.lib.colourchooser',
                           'wx.lib.editor',
+                          'wx.lib.masked',
                           'wx.lib.mixins',
                           'wx.py',
                           'wx.tools',