diff --git a/scripts/os b/scripts/os
index c3ba1b9..205410a 100755
--- a/scripts/os
+++ b/scripts/os
@@ -67,7 +67,7 @@ hook_pre() {
 }
 
 hook_post() {
-    if [[ ! -f "${restoreDir}/.keep" ]]; then
+    if [[ ! -f "${restoreDir}/.do-not-delete" ]]; then
         rm -rf "$restoreDir"
     fi
     runOsHook after_backup