diff --git a/mastus/letsencrypt.nix b/mastus/letsencrypt.nix
index ac04cd2..f7d0626 100644
--- a/mastus/letsencrypt.nix
+++ b/mastus/letsencrypt.nix
@@ -3,7 +3,7 @@
 {
   security.acme.certs = {
     "gebner.org" = {
-      webroot = "/var/lib/acme/www";
+      webroot = "/var/lib/acme/acme-challenge";
       email = "gebner@gebner.org";
       extraDomains = {
         "git.gebner.org" = null;