diff --git a/mingw-w64-snoregrowl/PKGBUILD b/mingw-w64-snoregrowl/PKGBUILD
index 044914cefa..364969581e 100644
--- a/mingw-w64-snoregrowl/PKGBUILD
+++ b/mingw-w64-snoregrowl/PKGBUILD
@@ -6,10 +6,10 @@ pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
 provides=("${MINGW_PACKAGE_PREFIX}-SnoreGrowl")
 replaces=("${MINGW_PACKAGE_PREFIX}-SnoreGrowl")
 pkgver=0.5.0
-pkgrel=2
+pkgrel=3
 pkgdesc="A C and C++ library providing an api to use Growl notifications, based on the GNTP protocol (mingw-w64)"
 arch=('any')
-mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32')
+mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32' 'clangarm64')
 license=("BSD")
 url="https://github.com/Snorenotify/Snorenotify"
 depends=("${MINGW_PACKAGE_PREFIX}-gcc-libs")
@@ -25,6 +25,7 @@ build() {
   mkdir -p "${srcdir}"/build-${MSYSTEM} && cd "${srcdir}"/build-${MSYSTEM}
 
   MSYS2_ARG_CONV_EXCL="-DCMAKE_INSTALL_PREFIX=" \
+  CXXFLAGS="-D_LIBCPP_ENABLE_CXX17_REMOVED_AUTO_PTR" \
   ${MINGW_PREFIX}/bin/cmake \
     -G"Ninja" \
     -DCMAKE_INSTALL_PREFIX=${MINGW_PREFIX} \