diff --git a/machines/nixos/compute01/extranix/default.nix b/machines/nixos/compute01/extranix/default.nix
index 32b30bb..7a843f0 100644
--- a/machines/nixos/compute01/extranix/default.nix
+++ b/machines/nixos/compute01/extranix/default.nix
@@ -4,6 +4,7 @@
 
 {
   lib,
+  pkgs,
   meta,
   bootstrap,
   sources,
@@ -20,8 +21,18 @@ in
       enableACME = true;
       forceSSL = true;
     };
+
     extranix = {
       enable = true;
+
+      theme = pkgs.fetchFromGitea {
+        domain = "git.dgnum.eu";
+        owner = "DGNum";
+        repo = "extranix-theme";
+        rev = "99e14ca818fb1f664a2221e1cc8394325426b446";
+        hash = "sha256-mDa03Y3Lf/piBzxTyiNj/8OI2rYEW5Pn99lXVL9EQmg=";
+      };
+
       modules = {
         "netconf" = {
           paths = mkImports bootstrap.root [
@@ -95,6 +106,7 @@ in
         languageCode = "en-us";
         params = {
           logo = "images/dgnum.png";
+          release_switch_title = "Category";
           footer_credits_line = ''
             Based on <a href="https://github.com/mipmip/home-manager-option-search">Home Manager Option Search</a>
           '';
@@ -103,7 +115,7 @@ in
           '';
           main_menu = [
             {
-              name = ''<img src="images/forgejo.png" style="display:inline-block; height:2.5em; transform:translate(0, -0.7em)" /> Source'';
+              name = ''<img src="images/forgejo.png" /> Source'';
               url = "https://git.dgnum.eu/DGNum/infrastructure/";
             }
           ];
diff --git a/modules/nixos/extranix/default.nix b/modules/nixos/extranix/default.nix
index fd3cdba..9edbe23 100644
--- a/modules/nixos/extranix/default.nix
+++ b/modules/nixos/extranix/default.nix
@@ -52,13 +52,6 @@ let
     str
     ;
 
-  inherit (pkgs)
-    fetchFromGitea
-    hugo
-    runCommand
-    symlinkJoin
-    ;
-
   mkDocJSON =
     module:
     {
@@ -177,22 +170,16 @@ let
       '';
 
   website =
-    runCommand "search-infra"
+    pkgs.runCommand "search-infra"
       {
-        theme = fetchFromGitea {
-          domain = "git.dgnum.eu";
-          owner = "DGNum";
-          repo = "options-search-theme";
-          rev = "bcdc3e724ad5478ed39ce62a6e3342130a1bcabd";
-          hash = "sha256-pg0NifmHdfK4OltSOQfYgTVa7juZlGF642Q4Du3uheY=";
-        };
+        inherit (cfg) theme;
 
-        nativeBuildInputs = [ hugo ];
+        nativeBuildInputs = [ pkgs.hugo ];
 
         config = builtins.toJSON cfg.settings;
         passAsFile = [ "config" ];
 
-        data = symlinkJoin {
+        data = pkgs.symlinkJoin {
           name = "options-data";
           paths = mapAttrsToList mkDocJSON cfg.modules;
         };
@@ -216,6 +203,13 @@ in
   options.services.extranix = {
     enable = mkEnableOption "extranix documentation";
 
+    theme = mkOption {
+      type = path;
+      description = ''
+        Path to a hugo theme for the search website.
+      '';
+    };
+
     modules = mkOption {
       type = attrsOf (submodule {
         options = {