diff --git a/mingw-w64-headers/crt/time.h b/mingw-w64-headers/crt/time.h
index e8f1008..b551a27 100644
--- a/mingw-w64-headers/crt/time.h
+++ b/mingw-w64-headers/crt/time.h
@@ -166,18 +166,27 @@
 #if !defined (RC_INVOKED) && !defined (_INC_WTIME_INL)
 #define _INC_WTIME_INL
   wchar_t *__cdecl _wctime(const time_t *) __MINGW_ATTRIB_DEPRECATED_SEC_WARN;
-  errno_t __cdecl _wctime_s(wchar_t *, size_t, const time_t *);
 #ifndef __CRT__NO_INLINE
 #ifndef _USE_32BIT_TIME_T
   __CRT_INLINE wchar_t *__cdecl _wctime(const time_t *_Time) { return _wctime64(_Time); }
-  __CRT_INLINE errno_t __cdecl _wctime_s (wchar_t *_Buffer,size_t _SizeInWords,const time_t *_Time) { return _wctime64_s (_Buffer,_SizeInWords,_Time); }
 #else
   __CRT_INLINE wchar_t *__cdecl _wctime(const time_t *_Time) { return _wctime32(_Time); }
-  __CRT_INLINE errno_t __cdecl _wctime_s (wchar_t *_Buffer,size_t _SizeInWords,const time_t *_Time) { return _wctime32_s (_Buffer,_SizeInWords,_Time); }
 #endif
 #endif /* __CRT__NO_INLINE */
 #endif
 
+#if !defined (RC_INVOKED) && !defined (_INC_WTIME_S_INL)
+#define _INC_WTIME_S_INL
+  errno_t __cdecl _wctime_s(wchar_t *, size_t, const time_t *);
+#ifndef __CRT__NO_INLINE
+#ifndef _USE_32BIT_TIME_T
+  __CRT_INLINE errno_t __cdecl _wctime_s (wchar_t *_Buffer,size_t _SizeInWords,const time_t *_Time) { return _wctime64_s (_Buffer,_SizeInWords,_Time); }
+#else
+  __CRT_INLINE errno_t __cdecl _wctime_s (wchar_t *_Buffer,size_t _SizeInWords,const time_t *_Time) { return _wctime32_s (_Buffer,_SizeInWords,_Time); }
+#endif
+#endif  /* __CRT__NO_INLINE */
+#endif
+
 #define _WTIME_DEFINED
 #endif