diff --git a/app/views/user_admin/index.html.haml b/app/views/user_admin/index.html.haml
--- a/app/views/user_admin/index.html.haml
+++ b/app/views/user_admin/index.html.haml
@@ -56,17 +56,17 @@
     = link_to "[#{contest.name}]", :action => 'contests', :id => contest.id
   = link_to "[no contest]", :action => 'contests', :id => 'none'
 
-Total #{@user_count} users |
-- if !@paginated
-  Display all users.
-  \#{link_to '[show in pages]', :action => 'index', :page => '1'}
-- else
-  Display in pages.
-  \#{link_to '[display all]', :action => 'index', :page => 'all'} |
-  \#{will_paginate @users, :container => false}
+-# Total #{@user_count} users |
+-# - if !@paginated
+-#   Display all users.
+-#   \#{link_to '[show in pages]', :action => 'index', :page => '1'}
+-# - else
+-#   Display in pages.
+-#   \#{link_to '[display all]', :action => 'index', :page => 'all'} |
+-#   \#{will_paginate @users, :container => false}
 
 
-%table.table.table-hover.table-condense
+%table.table.table-hover.table-condense.datatable
   %thead
     %th Login
     %th Full name
@@ -99,3 +99,8 @@
 %br/
 = link_to '+ New user', { :action => 'new' }, { class: 'btn btn-success '}
 = link_to '+ New list of users', { :action => 'new_list' }, { class: 'btn btn-success '}
+
+:javascript
+  $('.datatable').DataTable({
+    'pageLength': 50
+  });