--- ossaudiodev.c.orig	2010-03-14 15:29:14.000000000 -0400
+++ ossaudiodev.c	2010-03-14 15:28:48.000000000 -0400
@@ -986,11 +986,17 @@
 	NULL
 };
 
-PyObject*
+PyMODINIT_FUNC
 PyInit_ossaudiodev(void)
 {
     PyObject *m;
 
+    if (PyType_Ready(&OSSAudioType) < 0)
+        return NULL;
+
+    if (PyType_Ready(&OSSMixerType) < 0)
+        return NULL;
+
     m = PyModule_Create(&ossaudiodevmodule);
     if (m == NULL)
 	return NULL;