diff --git a/roborock/docker-compose.yml b/roborock/docker-compose.yml
index fe16b04..05cc90f 100644
--- a/roborock/docker-compose.yml
+++ b/roborock/docker-compose.yml
@@ -24,7 +24,7 @@ services:
       
       # Automatische ACME/Zertifikatskonfiguration (Beispiel Cloudflare + ZeroSSL)
       - ROBOROCK_TLS_MODE=${TLS_MODE:-cloudflare_acme}
-      - ROBOROCK_ACME_SERVER=${ACME_SERVER:-zerossl}
+      - ROBOROCK_ACME_SERVER=${ACME_SERVER:-letsencrypt}
       - ROBOROCK_TLS_BASE_DOMAIN=${BASE_DOMAIN}
       - ROBOROCK_TLS_EMAIL=${ACME_EMAIL}
       - CLOUDFLARE_DNS_API_TOKEN=${CF_API_TOKEN}
\ No newline at end of file