diff --git a/direct/src/p3d/thirdparty.pdef b/direct/src/p3d/thirdparty.pdef
index 38fcd04c21..d2405e57f2 100644
--- a/direct/src/p3d/thirdparty.pdef
+++ b/direct/src/p3d/thirdparty.pdef
@@ -38,14 +38,8 @@ class tk(package):
            'direct.tkpanels',
            'direct.tkwidgets')
 
-    # Hack because Pmw uses weird import stuff.
-    try:
-        import Pmw
-    except ImportError:
-        # Don't fail if Pmw isn't installed.
-        Pmw = None
-    if Pmw:
-        module('Pmw', 'Pmw.*')
+    module('Pmw.Pmw_1_3.lib.*', 'Pmw.Pmw_1_2.lib.*')
+    module('Pmw')
 
 class sqlite(package):
     config(display_name = "SQLite Interface")