diff --git a/mingw-w64-headers/crt/sec_api/stdio_s.h b/mingw-w64-headers/crt/sec_api/stdio_s.h
index e4b2440..ad9b5ba 100644
--- a/mingw-w64-headers/crt/sec_api/stdio_s.h
+++ b/mingw-w64-headers/crt/sec_api/stdio_s.h
@@ -589,6 +589,7 @@
   {
     return __stdio_common_vfwscanf(_CRT_INTERNAL_LOCAL_SCANF_OPTIONS | _CRT_INTERNAL_SCANF_SECURECRT, _File, _Format, _Locale, _ArgList);
   }
+
   __mingw_ovr int __cdecl _fwscanf_s_l(FILE *_File, const wchar_t *_Format, _locale_t _Locale, ...)
   {
     __builtin_va_list _ArgList;
@@ -598,6 +599,17 @@
     __builtin_va_end(_ArgList);
     return _Ret;
   }
+
+  __mingw_ovr int __cdecl fwscanf_s(FILE *_File, const wchar_t *_Format, ...)
+  {
+    __builtin_va_list _ArgList;
+    int _Ret;
+    __builtin_va_start(_ArgList, _Format);
+    _Ret = _vfwscanf_s_l(_File, _Format, NULL, _ArgList);
+    __builtin_va_end(_ArgList);
+    return _Ret;
+  }
+
   __mingw_ovr int __cdecl _wscanf_s_l(const wchar_t *_Format, _locale_t _Locale, ...)
   {
     __builtin_va_list _ArgList;
@@ -794,6 +806,7 @@
   _CRTIMP int __cdecl _snwprintf_s_l(wchar_t *_DstBuf,size_t _DstSize,size_t _MaxCount,const wchar_t *_Format,_locale_t _Locale,...);
   _CRTIMP int __cdecl _vsnwprintf_s_l(wchar_t *_DstBuf,size_t _DstSize,size_t _MaxCount,const wchar_t *_Format,_locale_t _Locale,va_list _ArgList);
   _CRTIMP int __cdecl _fwscanf_s_l(FILE *_File,const wchar_t *_Format,_locale_t _Locale,...);
+  _CRTIMP int __cdecl fwscanf_s(FILE *_File, const wchar_t *_Format, ...);
   _CRTIMP int __cdecl _swscanf_s_l(const wchar_t *_Src,const wchar_t *_Format,_locale_t _Locale,...);
   _CRTIMP int __cdecl swscanf_s(const wchar_t *_Src,const wchar_t *_Format,...);
   _CRTIMP int __cdecl _snwscanf_s(const wchar_t *_Src,size_t _MaxCount,const wchar_t *_Format,...);