diff --git a/app/controllers/admin/users_controller.rb b/app/controllers/admin/users_controller.rb
index db5da30..1849fa6 100644
--- a/app/controllers/admin/users_controller.rb
+++ b/app/controllers/admin/users_controller.rb
@@ -4,8 +4,7 @@ class Admin::UsersController < Admin::BaseController
 
   def index
     ldap   = LdapService.new
-    @ou    = params[:ou] || Setting.primary_domain
-    @orgs  = ldap.fetch_organizations
+    @ou    = Setting.primary_domain
     @pagy, @users = pagy(User.where(ou: @ou).order(cn: :asc))
 
     @stats = {
@@ -27,8 +26,8 @@ class Admin::UsersController < Admin::BaseController
   private
 
   def set_user
-    address = params[:address].split("@")
-    @user = User.where(cn: address.first, ou: address.last).first
+    @user = User.find_by(cn: params[:username], ou: Setting.primary_domain)
+    http_status :not_found unless @user
   end
 
   def set_current_section
diff --git a/app/views/admin/users/index.html.erb b/app/views/admin/users/index.html.erb
index e0eb90d..830057a 100644
--- a/app/views/admin/users/index.html.erb
+++ b/app/views/admin/users/index.html.erb
@@ -1,4 +1,4 @@
-<%= render HeaderComponent.new(title: "Users: #{@ou}") %>
+<%= render HeaderComponent.new(title: "Users") %>
 
 <%= render MainSimpleComponent.new do %>
   <section>
@@ -16,19 +16,6 @@
     <% end %>
   </section>
 
-  <% if @orgs.length > 1 %>
-    <section>
-      <h3 class="hidden">Domains</h3>
-      <ul>
-        <% @orgs.each do |org| %>
-          <li class="inline-block">
-            <%= link_to org[:ou], admin_users_path(ou: org[:ou]), class: "ks-text-link" %>
-          </li>
-        <% end %>
-      </ul>
-    </section>
-  <% end %>
-
   <section>
     <table class="divided mb-8">
       <thead>
@@ -36,13 +23,12 @@
           <th>UID</th>
           <th>Status</th>
           <th>Roles</th>
-          <!-- <th>Password</th> -->
         </tr>
       </thead>
       <tbody>
         <% @users.each do |user| %>
         <tr>
-          <td><%= link_to(user.cn, admin_user_path(user.address), class: 'ks-text-link') %></td>
+          <td><%= link_to(user.cn, admin_user_path(user.cn), class: 'ks-text-link') %></td>
           <td><%= user.confirmed_at.nil? ? badge("pending", :yellow) : "" %></td>
           <td><%= user.is_admin? ? badge("admin", :red) : "" %></td>
         </tr>
diff --git a/app/views/admin/users/show.html.erb b/app/views/admin/users/show.html.erb
index dc904fd..0003172 100644
--- a/app/views/admin/users/show.html.erb
+++ b/app/views/admin/users/show.html.erb
@@ -1,4 +1,4 @@
-<%= render HeaderComponent.new(title: "User: #{@user.address}") %>
+<%= render HeaderComponent.new(title: "User: #{@user.cn}") %>
 
 <%= render MainSimpleComponent.new do %>
   <div class="mb-12 sm:flex sm:flex-row sm:gap-x-8">
diff --git a/config/routes.rb b/config/routes.rb
index 643b095..8dee02d 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -73,9 +73,14 @@ Rails.application.routes.draw do
   namespace :admin do
     root to: 'dashboard#index'
 
-    resources 'users', param: 'address', only: ['index', 'show'], constraints: { address: /.*/ }
+    resources 'users', param: 'username', only: ['index', 'show'] do
+
+    end
+
     get 'invitations', to: 'invitations#index'
+
     resources :donations
+
     get 'lightning', to: 'lightning#index'
 
     namespace :app_catalog do