diff --git a/mingw-w64-python-scandir/PKGBUILD b/mingw-w64-python-scandir/PKGBUILD
index 3125d5fde4..0c51383352 100644
--- a/mingw-w64-python-scandir/PKGBUILD
+++ b/mingw-w64-python-scandir/PKGBUILD
@@ -25,11 +25,13 @@ prepare() {
 build() {
   cd ${srcdir}/build-python3-${CARCH}
   MSYS2_ARG_CONV_EXCL="--prefix=;--install-scripts=;--install-platlib=" \
- ${MINGW_PREFIX}/bin/python3 setup.py build
+  CPPFLAGS=$PPCFLAGS" -D_WIN32_WINNT=0x0600" \
+    ${MINGW_PREFIX}/bin/python3 setup.py build
 
   cd ${srcdir}/build-python2-${CARCH}
   MSYS2_ARG_CONV_EXCL="--prefix=;--install-scripts=;--install-platlib=" \
-  ${MINGW_PREFIX}/bin/python2 setup.py build
+  CPPFLAGS=$PPCFLAGS" -D_WIN32_WINNT=0x0600" \
+    ${MINGW_PREFIX}/bin/python2 setup.py build
 }
 
 package_python3-scandir() {