diff --git a/Doc/whatsnew/3.12.rst b/Doc/whatsnew/3.12.rst
index b6382e7e984490..1af80ea62b392d 100644
--- a/Doc/whatsnew/3.12.rst
+++ b/Doc/whatsnew/3.12.rst
@@ -1858,6 +1858,7 @@ Deprecated
   * :c:var:`Py_LegacyWindowsFSEncodingFlag`: use :c:member:`PyPreConfig.legacy_windows_fs_encoding`
   * :c:var:`Py_LegacyWindowsStdioFlag`: use :c:member:`PyConfig.legacy_windows_stdio`
   * :c:var:`!Py_FileSystemDefaultEncoding`: use :c:member:`PyConfig.filesystem_encoding`
+  * :c:var:`!Py_HasFileSystemDefaultEncoding`: use :c:member:`PyConfig.filesystem_encoding`
   * :c:var:`!Py_FileSystemDefaultEncodeErrors`: use :c:member:`PyConfig.filesystem_errors`
   * :c:var:`!Py_UTF8Mode`: use :c:member:`PyPreConfig.utf8_mode` (see :c:func:`Py_PreInitialize`)
 
diff --git a/Include/fileobject.h b/Include/fileobject.h
index 02bd7c915a23f7..2deef544d667a5 100644
--- a/Include/fileobject.h
+++ b/Include/fileobject.h
@@ -23,7 +23,7 @@ Py_DEPRECATED(3.12) PyAPI_DATA(const char *) Py_FileSystemDefaultEncoding;
 #if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03060000
 Py_DEPRECATED(3.12) PyAPI_DATA(const char *) Py_FileSystemDefaultEncodeErrors;
 #endif
-PyAPI_DATA(int) Py_HasFileSystemDefaultEncoding;
+Py_DEPRECATED(3.12) PyAPI_DATA(int) Py_HasFileSystemDefaultEncoding;
 
 #if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03070000
 Py_DEPRECATED(3.12) PyAPI_DATA(int) Py_UTF8Mode;