diff --git a/direct/src/p3d/thirdparty.pdef b/direct/src/p3d/thirdparty.pdef
index 2ad164a372..f13a473e3c 100644
--- a/direct/src/p3d/thirdparty.pdef
+++ b/direct/src/p3d/thirdparty.pdef
@@ -48,7 +48,7 @@ class tk(package):
     if Pmw is not None:
         sys.modules['Pmw'] = sys.modules['_Pmw']
         sys.modules['Pmw'].__name__ = 'Pmw'
-        module('Pmw', 'Pmw.*')
+        module('Pmw', 'Pmw.Pmw_1_2.lib.*', 'Pmw.Pmw_1_3.lib.*')
 
 class sqlite(package):
     config(display_name = "SQLite Interface")