diff --git a/scripts/bundle-a2ui.sh b/scripts/bundle-a2ui.sh
index 3278e1d35a3..85bc265c7c9 100755
--- a/scripts/bundle-a2ui.sh
+++ b/scripts/bundle-a2ui.sh
@@ -86,7 +86,7 @@ if [[ -f "$HASH_FILE" ]]; then
 fi
 
 pnpm -s exec tsc -p "$A2UI_RENDERER_DIR/tsconfig.json"
-if command -v rolldown >/dev/null 2>&1; then
+if command -v rolldown >/dev/null 2>&1 && rolldown --version >/dev/null 2>&1; then
   rolldown -c "$A2UI_APP_DIR/rolldown.config.mjs"
 else
   pnpm -s dlx rolldown -c "$A2UI_APP_DIR/rolldown.config.mjs"