diff --git a/pythoncapi_compat.h b/pythoncapi_compat.h
index bb45c18..d816db9 100644
--- a/pythoncapi_compat.h
+++ b/pythoncapi_compat.h
@@ -25,9 +25,6 @@ extern "C" {
 #if PY_VERSION_HEX < 0x030b00B4 && !defined(PYPY_VERSION)
 #  include "frameobject.h"        // PyFrameObject, PyFrame_GetBack()
 #endif
-#if PY_VERSION_HEX < 0x030C00A3
-#  include <structmember.h>       // T_SHORT, READONLY
-#endif
 
 
 #ifndef _Py_CAST
@@ -1919,33 +1916,33 @@ PyLongWriter_Finish(PyLongWriter *writer)
 
 
 #if PY_VERSION_HEX < 0x030C00A3
-#  define Py_T_SHORT      T_SHORT
-#  define Py_T_INT        T_INT
-#  define Py_T_LONG       T_LONG
-#  define Py_T_FLOAT      T_FLOAT
-#  define Py_T_DOUBLE     T_DOUBLE
-#  define Py_T_STRING     T_STRING
-#  define _Py_T_OBJECT    T_OBJECT
-#  define Py_T_CHAR       T_CHAR
-#  define Py_T_BYTE       T_BYTE
-#  define Py_T_UBYTE      T_UBYTE
-#  define Py_T_USHORT     T_USHORT
-#  define Py_T_UINT       T_UINT
-#  define Py_T_ULONG      T_ULONG
-#  define Py_T_STRING_INPLACE  T_STRING_INPLACE
-#  define Py_T_BOOL       T_BOOL
-#  define Py_T_OBJECT_EX  T_OBJECT_EX
-#  define Py_T_LONGLONG   T_LONGLONG
-#  define Py_T_ULONGLONG  T_ULONGLONG
-#  define Py_T_PYSSIZET   T_PYSSIZET
+#  define Py_T_SHORT      0
+#  define Py_T_INT        1
+#  define Py_T_LONG       2
+#  define Py_T_FLOAT      3
+#  define Py_T_DOUBLE     4
+#  define Py_T_STRING     5
+#  define _Py_T_OBJECT    6
+#  define Py_T_CHAR       7
+#  define Py_T_BYTE       8
+#  define Py_T_UBYTE      9
+#  define Py_T_USHORT     10
+#  define Py_T_UINT       11
+#  define Py_T_ULONG      12
+#  define Py_T_STRING_INPLACE  13
+#  define Py_T_BOOL       14
+#  define Py_T_OBJECT_EX  16
+#  define Py_T_LONGLONG   17
+#  define Py_T_ULONGLONG  18
+#  define Py_T_PYSSIZET   19
 
 #  if PY_VERSION_HEX >= 0x03000000 && !defined(PYPY_VERSION)
-#    define _Py_T_NONE      T_NONE
+#    define _Py_T_NONE      20
 #  endif
 
-#  define Py_READONLY            READONLY
-#  define Py_AUDIT_READ          READ_RESTRICTED
-#  define _Py_WRITE_RESTRICTED   PY_WRITE_RESTRICTED
+#  define Py_READONLY            1
+#  define Py_AUDIT_READ          2
+#  define _Py_WRITE_RESTRICTED   4
 #endif
 
 
diff --git a/tests/test_pythoncapi_compat_cext.c b/tests/test_pythoncapi_compat_cext.c
index 7d9fea4..e8ada23 100644
--- a/tests/test_pythoncapi_compat_cext.c
+++ b/tests/test_pythoncapi_compat_cext.c
@@ -2,6 +2,7 @@
 #undef NDEBUG
 
 #include "pythoncapi_compat.h"
+#include <structmember.h>   // T_SHORT, READONLY
 
 #ifdef NDEBUG
 #  error "assertions must be enabled"
@@ -2118,32 +2119,32 @@ test_long_stdint(PyObject *Py_UNUSED(module), PyObject *Py_UNUSED(args))
 static PyObject *
 test_structmember(PyObject *Py_UNUSED(module), PyObject *Py_UNUSED(args))
 {
-    assert(Py_T_SHORT >= 0);
-    assert(Py_T_INT >= 0);
-    assert(Py_T_LONG >= 0);
-    assert(Py_T_FLOAT >= 0);
-    assert(Py_T_DOUBLE >= 0);
-    assert(Py_T_STRING >= 0);
-    assert(_Py_T_OBJECT >= 0);
-    assert(Py_T_CHAR >= 0);
-    assert(Py_T_BYTE >= 0);
-    assert(Py_T_UBYTE >= 0);
-    assert(Py_T_USHORT >= 0);
-    assert(Py_T_UINT >= 0);
-    assert(Py_T_ULONG >= 0);
-    assert(Py_T_STRING_INPLACE >= 0);
-    assert(Py_T_BOOL >= 0);
-    assert(Py_T_OBJECT_EX >= 0);
-    assert(Py_T_LONGLONG >= 0);
-    assert(Py_T_ULONGLONG >= 0);
-    assert(Py_T_PYSSIZET >= 0);
+    assert(Py_T_SHORT == T_SHORT);
+    assert(Py_T_SHORT == T_SHORT);
+    assert(Py_T_INT == T_INT);
+    assert(Py_T_LONG == T_LONG);
+    assert(Py_T_FLOAT == T_FLOAT);
+    assert(Py_T_DOUBLE == T_DOUBLE);
+    assert(Py_T_STRING == T_STRING);
+    assert(_Py_T_OBJECT == T_OBJECT);
+    assert(Py_T_CHAR == T_CHAR);
+    assert(Py_T_BYTE == T_BYTE);
+    assert(Py_T_UBYTE == T_UBYTE);
+    assert(Py_T_USHORT == T_USHORT);
+    assert(Py_T_UINT == T_UINT);
+    assert(Py_T_ULONG == T_ULONG);
+    assert(Py_T_STRING_INPLACE == T_STRING_INPLACE);
+    assert(Py_T_BOOL == T_BOOL);
+    assert(Py_T_OBJECT_EX == T_OBJECT_EX);
+    assert(Py_T_LONGLONG == T_LONGLONG);
+    assert(Py_T_ULONGLONG == T_ULONGLONG);
+    assert(Py_T_PYSSIZET == T_PYSSIZET);
 #if PY_VERSION_HEX >= 0x03000000 && !defined(PYPY_VERSION)
-    assert(_Py_T_NONE >= 0);
+    assert(_Py_T_NONE == T_NONE);
 #endif
-
-    assert(Py_READONLY >= 0);
-    assert(Py_AUDIT_READ >= 0);
-    assert(_Py_WRITE_RESTRICTED >= 0);
+    assert(Py_READONLY == READONLY);
+    assert(Py_AUDIT_READ == READ_RESTRICTED);
+    assert(_Py_WRITE_RESTRICTED == PY_WRITE_RESTRICTED);
 
     Py_RETURN_NONE;
 }