diff --git a/scripts/release_dist.sh b/scripts/release_dist.sh
index 089a4e94b..995ccc722 100755
--- a/scripts/release_dist.sh
+++ b/scripts/release_dist.sh
@@ -23,7 +23,11 @@ work_dir="${tmp_dir}/release"
 git clone --branch "${TARGET_BRANCH}" --single-branch "${RELEASE_REPO_URL}" "${work_dir}" >/dev/null
 
 find "${work_dir}" -mindepth 1 -maxdepth 1 ! -name '.git' -exec rm -rf {} +
-rsync -a "${DIST_DIR}/" "${work_dir}/"
+if command -v rsync >/dev/null 2>&1; then
+  rsync -a "${DIST_DIR}/" "${work_dir}/"
+else
+  cp -a "${DIST_DIR}/." "${work_dir}/"
+fi
 
 cd "${work_dir}"
 git add -A