diff --git a/README.md b/README.md
index 2bae350..aaf31f8 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ sudo -u http darkhttpd /srv/http/repo/ --no-server-id
 ## (Optional) Crontab -e
 Packages older than half a year will be deleted.
 ```
-@monthly find /srv/http/repo/* -mtime +182.5 '!' -regex '*pkg*' -exec rm {} \;
+@monthly find /srv/http/repo/* -mtime +182.5 -type f -regex ".*pkg*.*" -delete
 ```
 
 ## Server & client