diff --git a/nix/home-manager/configuration/graphical-fullblown.nix b/nix/home-manager/configuration/graphical-fullblown.nix
index afa495c..1ced096 100644
--- a/nix/home-manager/configuration/graphical-fullblown.nix
+++ b/nix/home-manager/configuration/graphical-fullblown.nix
@@ -114,7 +114,7 @@ in {
       unstablepkgs.zoom-us
       thunderbird
       evolution # gnome4.glib_networking
-      kotatogram-desktop
+      unstablepkgs.kotatogram-desktop
       gnome3.cheese
       discord
 
diff --git a/nix/os/containers/webserver.nix b/nix/os/containers/webserver.nix
index 4a11349..e293971 100644
--- a/nix/os/containers/webserver.nix
+++ b/nix/os/containers/webserver.nix
@@ -115,8 +115,9 @@ in {
           dialect = "sqlite";
           storage = "/var/lib/codimd/db.codimd.sqlite";
         };
-        allowAnonymous = false;
 
+        allowAnonymous = false;
+        allowGravatar = false;
 
         # oauth2 provider config
         inherit (passwords.www_stefanjunker_de_hedgedoc) dropbox;