diff --git a/systems/x86_64-linux/mx/acme.nix b/systems/x86_64-linux/mx/acme.nix
index 0cf4b85..947ec44 100644
--- a/systems/x86_64-linux/mx/acme.nix
+++ b/systems/x86_64-linux/mx/acme.nix
@@ -61,6 +61,7 @@
       };
 
       "harald-hoyer.de" = {
+        dnsProvider = "cloudflare";
         extraDomainNames = [
           "*.harald-hoyer.de"
         ];