diff --git a/hosts/mediawiki/default.nix b/hosts/mediawiki/default.nix
index a3d7d6a1..5e899263 100644
--- a/hosts/mediawiki/default.nix
+++ b/hosts/mediawiki/default.nix
@@ -89,7 +89,10 @@ in
         $wgShowExceptionDetails = true;
         $wgUseAjax = true;
 
-        $wgLogo = "https://www.c3d2.de/images/ck.png";
+        $wgFavicon = "https://c3d2.de/favicon.ico";
+        $wgLogos = [
+          'icon' => "https://www.c3d2.de/images/ck.png",
+        ];
         $wgEmergencyContact = "wiki@c3d2.de";
         $wgPasswordSender   = "wiki@c3d2.de";
         $wgLanguageCode = "de";