diff --git a/src/shadowbox/server/build.action.sh b/src/shadowbox/server/build.action.sh
index 5d2b7a995..bcc05f600 100755
--- a/src/shadowbox/server/build.action.sh
+++ b/src/shadowbox/server/build.action.sh
@@ -22,6 +22,7 @@ webpack --config=src/shadowbox/webpack.config.js ${BUILD_ENV:+--mode="${BUILD_EN
 
 # Install third_party dependencies
 readonly OS="$([[ "$(uname)" == "Darwin" ]] && echo "macos" || echo "linux")"
+export ARCH=${ARCH:-x86_64}
 readonly BIN_DIR="${OUT_DIR}/bin"
 mkdir -p "${BIN_DIR}"
 {