diff --git a/mastus/radicale.nix b/mastus/radicale.nix
index 4dc3d53..b680f63 100644
--- a/mastus/radicale.nix
+++ b/mastus/radicale.nix
@@ -38,6 +38,16 @@ in
       locations."/" = {
         proxyPass = "http://127.0.0.1:${toString radicalePort}";
       };
+      # Fake nextcloud api:
+      # https://gitlab.gnome.org/GNOME/gnome-online-accounts/-/issues/1#note_857357
+      extraConfig = ''
+        rewrite ^/remote.php/carddav / redirect;
+        rewrite ^/remote.php/caldav / redirect;
+
+        location /remote.php/webdav {
+                return 200;
+        }
+      '';
     };
   };