diff --git a/Include/rangeobject.h b/Include/rangeobject.h
index 7739869..a208581 100644
--- a/Include/rangeobject.h
+++ b/Include/rangeobject.h
@@ -22,4 +22,4 @@
 
 #define PyRange_Check(op) ((op)->ob_type == &PyRange_Type)
 
-extern DL_IMPORT(PyObject *) PyRange_New Py_PROTO((long, long, long, int));
+extern DL_IMPORT(PyObject *) PyRange_New(long, long, long, int);