diff --git a/mingw-w64-crt/Makefile.in b/mingw-w64-crt/Makefile.in
index 82afcf3..7c73007 100644
--- a/mingw-w64-crt/Makefile.in
+++ b/mingw-w64-crt/Makefile.in
@@ -10752,7 +10752,7 @@
 @WITHSYSROOT_FALSE@withsys = 
 @WITHSYSROOT_TRUE@withsys = "--with-sysroot=@TARGET_SYSTEM_ROOT@"
 AM_CPPFLAGS = $(sysincludes)
-AM_CFLAGS = -pipe -std=gnu99 -D_CRTBLD -D_WIN32_WINNT=0x0f00 -D__MSVCRT_VERSION__=0x700 @ADD_C_CXX_WARNING_FLAGS@ @ADD_C_ONLY_WARNING_FLAGS@
+AM_CFLAGS = -pipe -std=gnu99 -D_CRTBLD -D_WIN32_WINNT=0x0f00 -D__MSVCRT_VERSION__=0x700 -D__USE_MINGW_ANSI_STDIO=0 @ADD_C_CXX_WARNING_FLAGS@ @ADD_C_ONLY_WARNING_FLAGS@
 AM_CXXFLAGS = @ADD_C_CXX_WARNING_FLAGS@ @ADD_CXX_ONLY_WARNING_FLAGS@
 CPPFLAGSARM32 = -mfpu=vfpv3
 CPPFLAGS32 = -m32