diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 34cf792..e252c43 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -34,6 +34,7 @@ jobs:
           sudo apt-get update
           DEBIAN_FRONTEND=noninteractive TZ=Etc/UTC sudo apt-get -y install git make wget gcc libevent-dev libcsfml-dev file g++ cpio unzip rsync bc bzip2
           cd firmware
+          make BOARD=ssc338q_fpv br-msposd-dirclean
           sed -i "s/openipc/${GITHUB_REPOSITORY%/*}/" general/package/msposd/msposd.mk
           make BOARD=ssc338q_fpv MSPOSD_VERSION=${MSPOSD_VERSION} br-msposd