diff --git a/Include/Python.h b/Include/Python.h
index 969ef0f1912..5c6e1f2c225 100644
--- a/Include/Python.h
+++ b/Include/Python.h
@@ -113,6 +113,7 @@
 #include "import.h"
 
 #include "abstract.h"
+#include "bltinmodule.h"
 
 #include "compile.h"
 #include "eval.h"
diff --git a/Include/bltinmodule.h b/Include/bltinmodule.h
new file mode 100644
index 00000000000..868c9e6443b
--- /dev/null
+++ b/Include/bltinmodule.h
@@ -0,0 +1,14 @@
+#ifndef Py_BLTINMODULE_H
+#define Py_BLTINMODULE_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+PyAPI_DATA(PyTypeObject) PyFilter_Type;
+PyAPI_DATA(PyTypeObject) PyMap_Type;
+PyAPI_DATA(PyTypeObject) PyZip_Type;
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* !Py_BLTINMODULE_H */
diff --git a/Makefile.pre.in b/Makefile.pre.in
index 0a4b35ec284..f46b7ad47f7 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -612,6 +612,7 @@ PYTHON_HEADERS= \
 		Include/abstract.h \
 		Include/asdl.h \
 		Include/ast.h \
+                Include/bltinmodule.h \
 		Include/bitset.h \
 		Include/boolobject.h \
 		Include/bytes_methods.h \
diff --git a/Objects/object.c b/Objects/object.c
index 9544b9ac087..58b70f09e74 100644
--- a/Objects/object.c
+++ b/Objects/object.c
@@ -1595,6 +1595,15 @@ _Py_ReadyTypes(void)
 
 	if (PyType_Ready(&PyMemberDescr_Type) < 0)
 		Py_FatalError("Can't initialize member descriptor type");
+
+	if (PyType_Ready(&PyFilter_Type) < 0)
+		Py_FatalError("Can't initialize filter type");
+
+	if (PyType_Ready(&PyMap_Type) < 0)
+		Py_FatalError("Can't initialize map type");
+
+	if (PyType_Ready(&PyZip_Type) < 0)
+		Py_FatalError("Can't initialize zip type");
 }
 
 
diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index 7a27fba42ec..c33a37ea13b 100644
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -317,8 +317,6 @@ typedef struct {
 	PyObject *it;
 } filterobject;
 
-PyTypeObject PyFilter_Type;
-
 static PyObject *
 filter_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
 {
@@ -913,8 +911,6 @@ typedef struct {
 	PyObject *func;
 } mapobject;
 
-PyTypeObject PyMap_Type;
-
 static PyObject *
 map_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
 {
@@ -2031,8 +2027,6 @@ typedef struct {
 	PyObject *result;
 } zipobject;
 
-PyTypeObject PyZip_Type;
-
 static PyObject *
 zip_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
 {