diff --git a/nginx.conf.d/dav.conf b/nginx.conf.d/dav.conf
index cc89126..864e0c8 100644
--- a/nginx.conf.d/dav.conf
+++ b/nginx.conf.d/dav.conf
@@ -1,2 +1,15 @@
-rewrite ^/\.well-known/carddav https://$server_name/remote.php/dav/ permanent;
-rewrite ^/\.well-known/caldav https://$server_name/remote.php/dav/ permanent;
+location = /robots.txt {
+    allow all;
+    log_not_found off;
+    access_log off;
+}
+
+location = /.well-known/carddav {
+    return 301 $scheme://$host/remote.php/dav;
+}
+
+location = /.well-known/caldav {
+    return 301 $scheme://$host/remote.php/dav;
+}
+
+location /.well-known/acme-challenge { }