diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 05177e0..4dd00a9 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -73,6 +73,7 @@ jobs:
       - name: 'Build libserialport'
         run: |
           pushd libserialport-master
+          mkdir autostuff
           autoreconf -I"$HOME/x86_64prefix/share/aclocal" -i
           (export MACOSX_DEPLOYMENT_TARGET="10.9" && mkdir build_x86_64 && cd build_x86_64 && ../configure CFLAGS="-mmacosx-version-min=10.7 -DMAC_OS_X_VERSION_MIN_REQUIRED=1070 -isysroot $HOME/x86_64/SDKs/MacOSX10.9.sdk" --prefix="$HOME/x86_64prefix" && make && make install) &
           (export MACOSX_DEPLOYMENT_TARGET="11.0" && mkdir build_arm64 && cd build_arm64 && ../configure CFLAGS="-mmacosx-version-min=11.0 -isysroot $HOME/arm64/SDKs/MacOSX11.0.sdk" CFLAGS="-arch arm64" LDFLAGS="-arch arm64" --host=aarch64-apple-darwin20 --prefix="$HOME/arm64prefix" && make && make install) &