diff --git a/mingw-w64-headers/crt/wchar.h b/mingw-w64-headers/crt/wchar.h
index 341e2a0..18e618d 100644
--- a/mingw-w64-headers/crt/wchar.h
+++ b/mingw-w64-headers/crt/wchar.h
@@ -470,6 +470,11 @@
   wint_t __cdecl _ungetwch_nolock(wint_t _WCh);
 #endif
 
+#ifdef _UCRT
+  int __cdecl __stdio_common_vswprintf_p(unsigned __int64 _Options, wchar_t *_Str, size_t _Len, const wchar_t *_Format, _locale_t _Locale, va_list _ArgList);
+  int __cdecl __stdio_common_vfwprintf_p(unsigned __int64 _Options, FILE *_File, const wchar_t *_Format, _locale_t _Locale, va_list _ArgList);
+#endif
+
 #ifndef _WSTDIO_DEFINED
 #define _WSTDIO_DEFINED
 
@@ -877,9 +882,6 @@
 
 
 #ifdef _UCRT
-  int __cdecl __stdio_common_vswprintf_p(unsigned __int64 _Options, wchar_t *_Str, size_t _Len, const wchar_t *_Format, _locale_t _Locale, va_list _ArgList);
-  int __cdecl __stdio_common_vfwprintf_p(unsigned __int64 _Options, FILE *_File, const wchar_t *_Format, _locale_t _Locale, va_list _ArgList);
-
   __mingw_ovr int __cdecl _vfwscanf_l(FILE *_File, const wchar_t *_Format, _locale_t _Locale, va_list _ArgList)
   {
     return __stdio_common_vfwscanf(UCRTBASE_SCANF_DEFAULT_WIDE, _File, _Format, _Locale, _ArgList);