diff --git a/cache-restore.sh b/cache-restore.sh
index 0d25425..8e1a5ff 100644
--- a/cache-restore.sh
+++ b/cache-restore.sh
@@ -1,3 +1,4 @@
+#!/usr/bin/env bash
 mc alias set storage "$STORAGE_URL" root "$MINIO_SECRET"
 
 for f in $(mc ls --json storage/isos/cache | jq '.key' | tr -d '"'); do