diff --git a/mingw-w64-crt/crt/ucrtbase_compat.c b/mingw-w64-crt/crt/ucrtbase_compat.c
index 68ffe4c..7f022aa 100644
--- a/mingw-w64-crt/crt/ucrtbase_compat.c
+++ b/mingw-w64-crt/crt/ucrtbase_compat.c
@@ -10,7 +10,7 @@
 #endif
 
 #undef __MSVCRT_VERSION__
-#define __MSVCRT_VERSION__ 0x1400
+#define _UCRT
 
 #define __getmainargs crtimp___getmainargs
 #define __wgetmainargs crtimp___wgetmainargs
diff --git a/mingw-w64-crt/stdio/ucrt__snwprintf.c b/mingw-w64-crt/stdio/ucrt__snwprintf.c
index 6565f0e..d4d5eff 100644
--- a/mingw-w64-crt/stdio/ucrt__snwprintf.c
+++ b/mingw-w64-crt/stdio/ucrt__snwprintf.c
@@ -14,7 +14,7 @@
 #endif
 
 #undef __MSVCRT_VERSION__
-#define __MSVCRT_VERSION__ 0x1400
+#define _UCRT
 
 #define _snwprintf real__snwprintf
 
diff --git a/mingw-w64-crt/stdio/ucrt__vsnprintf.c b/mingw-w64-crt/stdio/ucrt__vsnprintf.c
index 58f29f1..2f5889a 100644
--- a/mingw-w64-crt/stdio/ucrt__vsnprintf.c
+++ b/mingw-w64-crt/stdio/ucrt__vsnprintf.c
@@ -5,7 +5,7 @@
  */
 
 #undef __MSVCRT_VERSION__
-#define __MSVCRT_VERSION__ 0x1400
+#define _UCRT
 #include <stdio.h>
 
 int __cdecl _vsnprintf(char * __restrict__ _Dest,size_t _Count,const char * __restrict__ _Format,va_list _Args) __MINGW_ATTRIB_DEPRECATED_SEC_WARN
diff --git a/mingw-w64-crt/stdio/ucrt__vsnwprintf.c b/mingw-w64-crt/stdio/ucrt__vsnwprintf.c
index 0d99503..4a8f275 100644
--- a/mingw-w64-crt/stdio/ucrt__vsnwprintf.c
+++ b/mingw-w64-crt/stdio/ucrt__vsnwprintf.c
@@ -5,7 +5,7 @@
  */
 
 #undef __MSVCRT_VERSION__
-#define __MSVCRT_VERSION__ 0x1400
+#define _UCRT
 #include <stdio.h>
 
 int __cdecl _vsnwprintf(wchar_t * __restrict__ _Dest,size_t _Count,const wchar_t * __restrict__ _Format,va_list _Args) __MINGW_ATTRIB_DEPRECATED_SEC_WARN
diff --git a/mingw-w64-crt/stdio/ucrt_fprintf.c b/mingw-w64-crt/stdio/ucrt_fprintf.c
index f61e002..a07a72c 100644
--- a/mingw-w64-crt/stdio/ucrt_fprintf.c
+++ b/mingw-w64-crt/stdio/ucrt_fprintf.c
@@ -5,7 +5,7 @@
  */
 
 #undef __MSVCRT_VERSION__
-#define __MSVCRT_VERSION__ 0x1400
+#define _UCRT
 #include <stdio.h>
 
 int __cdecl fprintf(FILE * __restrict__ _File,const char * __restrict__ _Format,...)
diff --git a/mingw-w64-crt/stdio/ucrt_fwprintf.c b/mingw-w64-crt/stdio/ucrt_fwprintf.c
index d2370c0..d51a6d6 100644
--- a/mingw-w64-crt/stdio/ucrt_fwprintf.c
+++ b/mingw-w64-crt/stdio/ucrt_fwprintf.c
@@ -14,7 +14,7 @@
 #endif
 
 #undef __MSVCRT_VERSION__
-#define __MSVCRT_VERSION__ 0x1400
+#define _UCRT
 
 #define fwprintf real_fwprintf
 
diff --git a/mingw-w64-crt/stdio/ucrt_printf.c b/mingw-w64-crt/stdio/ucrt_printf.c
index 3cbacd7..50ac67c 100644
--- a/mingw-w64-crt/stdio/ucrt_printf.c
+++ b/mingw-w64-crt/stdio/ucrt_printf.c
@@ -5,7 +5,7 @@
  */
 
 #undef __MSVCRT_VERSION__
-#define __MSVCRT_VERSION__ 0x1400
+#define _UCRT
 #include <stdio.h>
 
 int __cdecl printf(const char * __restrict__ _Format,...)
diff --git a/mingw-w64-crt/stdio/ucrt_snprintf.c b/mingw-w64-crt/stdio/ucrt_snprintf.c
index 893e182..6d6d1bb 100644
--- a/mingw-w64-crt/stdio/ucrt_snprintf.c
+++ b/mingw-w64-crt/stdio/ucrt_snprintf.c
@@ -5,7 +5,7 @@
  */
 
 #undef __MSVCRT_VERSION__
-#define __MSVCRT_VERSION__ 0x1400
+#define _UCRT
 #include <stdio.h>
 
 int snprintf (char * __restrict__ __stream, size_t __n, const char * __restrict__ __format, ...)
diff --git a/mingw-w64-crt/stdio/ucrt_sprintf.c b/mingw-w64-crt/stdio/ucrt_sprintf.c
index 628a26a..48304f5 100644
--- a/mingw-w64-crt/stdio/ucrt_sprintf.c
+++ b/mingw-w64-crt/stdio/ucrt_sprintf.c
@@ -5,7 +5,7 @@
  */
 
 #undef __MSVCRT_VERSION__
-#define __MSVCRT_VERSION__ 0x1400
+#define _UCRT
 #include <stdio.h>
 
 int __cdecl sprintf(char * __restrict__ _Dest,const char * __restrict__ _Format,...) __MINGW_ATTRIB_DEPRECATED_SEC_WARN
diff --git a/mingw-w64-crt/stdio/ucrt_vfprintf.c b/mingw-w64-crt/stdio/ucrt_vfprintf.c
index 801229f..59dc20e 100644
--- a/mingw-w64-crt/stdio/ucrt_vfprintf.c
+++ b/mingw-w64-crt/stdio/ucrt_vfprintf.c
@@ -5,7 +5,7 @@
  */
 
 #undef __MSVCRT_VERSION__
-#define __MSVCRT_VERSION__ 0x1400
+#define _UCRT
 #include <stdio.h>
 
 int __cdecl vfprintf(FILE * __restrict__ _File,const char * __restrict__ _Format,va_list _ArgList)
diff --git a/mingw-w64-crt/stdio/ucrt_vprintf.c b/mingw-w64-crt/stdio/ucrt_vprintf.c
index 0f7ef28..6f30eef 100644
--- a/mingw-w64-crt/stdio/ucrt_vprintf.c
+++ b/mingw-w64-crt/stdio/ucrt_vprintf.c
@@ -5,7 +5,7 @@
  */
 
 #undef __MSVCRT_VERSION__
-#define __MSVCRT_VERSION__ 0x1400
+#define _UCRT
 #include <stdio.h>
 
 int __cdecl vprintf(const char * __restrict__ _Format,va_list _ArgList)
diff --git a/mingw-w64-crt/stdio/ucrt_vsnprintf.c b/mingw-w64-crt/stdio/ucrt_vsnprintf.c
index 0e0fcfb..81d5678 100644
--- a/mingw-w64-crt/stdio/ucrt_vsnprintf.c
+++ b/mingw-w64-crt/stdio/ucrt_vsnprintf.c
@@ -5,7 +5,7 @@
  */
 
 #undef __MSVCRT_VERSION__
-#define __MSVCRT_VERSION__ 0x1400
+#define _UCRT
 #include <stdio.h>
 
 int vsnprintf (char * __restrict__ __stream, size_t __n, const char * __restrict__ __format, va_list __local_argv)
diff --git a/mingw-w64-crt/stdio/ucrt_vsprintf.c b/mingw-w64-crt/stdio/ucrt_vsprintf.c
index 3214ef9..d2b50d3 100644
--- a/mingw-w64-crt/stdio/ucrt_vsprintf.c
+++ b/mingw-w64-crt/stdio/ucrt_vsprintf.c
@@ -5,7 +5,7 @@
  */
 
 #undef __MSVCRT_VERSION__
-#define __MSVCRT_VERSION__ 0x1400
+#define _UCRT
 #include <stdio.h>
 
 int __cdecl vsprintf(char * __restrict__ _Dest,const char * __restrict__ _Format,va_list _Args) __MINGW_ATTRIB_DEPRECATED_SEC_WARN