diff --git a/Include/code.h b/Include/code.h
index 3de77b6..e2eb59d 100644
--- a/Include/code.h
+++ b/Include/code.h
@@ -10,6 +10,7 @@
 typedef struct {
     PyObject_HEAD
     int co_argcount;		/* #arguments, except *args */
+    int co_kwonlyargcount;	/* #keyword only arguments */
     int co_nlocals;		/* #local variables */
     int co_stacksize;		/* #entries needed for evaluation stack */
     int co_flags;		/* CO_..., see below */
@@ -63,8 +64,9 @@
 
 /* Public interface */
 PyAPI_FUNC(PyCodeObject *) PyCode_New(
-	int, int, int, int, PyObject *, PyObject *, PyObject *, PyObject *,
-	PyObject *, PyObject *, PyObject *, PyObject *, int, PyObject *); 
+	int, int, int, int, int, PyObject *, PyObject *,
+	PyObject *, PyObject *, PyObject *, PyObject *,
+	PyObject *, PyObject *, int, PyObject *); 
         /* same as struct above */
 PyAPI_FUNC(int) PyCode_Addr2Line(PyCodeObject *, int);