diff --git a/scripts/regenerate_certificates.sh b/scripts/regenerate_certificates.sh
index 00b1bfd..6ff9d86 100644
--- a/scripts/regenerate_certificates.sh
+++ b/scripts/regenerate_certificates.sh
@@ -8,7 +8,7 @@ sudo docker compose down
 
 sleep 2
 
-sudo certbot delete --certname systemsobscure.net
+sudo certbot delete --cert-name systemsobscure.net
 
 sleep 2