diff --git a/Modules/arraymodule.c b/Modules/arraymodule.c
index 396b9cf..dcd931b 100644
--- a/Modules/arraymodule.c
+++ b/Modules/arraymodule.c
@@ -1448,7 +1448,7 @@
 ";
 
 statichere PyTypeObject Arraytype = {
-	PyObject_HEAD_INIT(&PyType_Type)
+	PyObject_HEAD_INIT(NULL)
 	0,
 	"array",
 	sizeof(arrayobject),
@@ -1476,6 +1476,8 @@
 initarray()
 {
 	PyObject *m, *d;
+
+        Arraytype.ob_type = &PyType_Type;
 	m = Py_InitModule3("array", a_methods, module_doc);
 	d = PyModule_GetDict(m);
 	PyDict_SetItemString(d, "ArrayType", (PyObject *)&Arraytype);
diff --git a/Modules/md5module.c b/Modules/md5module.c
index 2508f52..ee11ee1 100644
--- a/Modules/md5module.c
+++ b/Modules/md5module.c
@@ -200,7 +200,7 @@
 ";
 
 statichere PyTypeObject MD5type = {
-	PyObject_HEAD_INIT(&PyType_Type)
+	PyObject_HEAD_INIT(NULL)
 	0,			  /*ob_size*/
 	"md5",			  /*tp_name*/
 	sizeof(md5object),	  /*tp_size*/
@@ -271,6 +271,8 @@
 initmd5()
 {
 	PyObject *m, *d;
+
+        MD5type.ob_type = &PyType_Type;
 	m = Py_InitModule3("md5", md5_functions, module_doc);
 	d = PyModule_GetDict(m);
 	PyDict_SetItemString(d, "MD5Type", (PyObject *)&MD5type);
diff --git a/Modules/pcremodule.c b/Modules/pcremodule.c
index 3b61697..9ae9226 100644
--- a/Modules/pcremodule.c
+++ b/Modules/pcremodule.c
@@ -165,7 +165,7 @@
 
 
 staticforward PyTypeObject Pcre_Type = {
-	PyObject_HEAD_INIT(&PyType_Type)
+	PyObject_HEAD_INIT(NULL)
 	0,			/*ob_size*/
 	"Pcre",			/*tp_name*/
 	sizeof(PcreObject),	/*tp_basicsize*/
@@ -664,6 +664,8 @@
 {
 	PyObject *m, *d;
 
+        Pcre_Type.ob_type = &PyType_Type;
+
 	/* Create the module and add the functions */
 	m = Py_InitModule("pcre", pcre_methods);