diff --git a/app/views/projects/index.html.erb b/app/views/projects/index.html.erb
index 0f699589e..afce93c6f 100644
--- a/app/views/projects/index.html.erb
+++ b/app/views/projects/index.html.erb
@@ -3,6 +3,10 @@
 <% end %>
 
 <div class="contextual">
+  <label for="show_single_column">
+    <%= check_box_tag 'show_single_column', 1, false, :onchange => "this.checked ? $('#projects-index').removeClass('multiple') : $('#projects-index').addClass('multiple');" %>
+    <%= l(:label_show_single_column_projects) %>
+  </label>
   <%= form_tag({}, :method => :get) do %>
     <label for="closed">
       <%= check_box_tag 'closed', 1, params[:closed], :onchange => "this.form.submit();" %>
@@ -14,7 +18,7 @@
 
 <h2><%= l(:label_project_plural) %></h2>
 
-<div id="projects-index">
+<div id="projects-index" class="multiple">
 <%= render_project_hierarchy(@projects) %>
 </div>
 
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 36d2099c8..3575bdab5 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -954,6 +954,7 @@ en:
   label_completed_versions: Completed versions
   label_search_for_watchers: Search for watchers to add
   label_session_expiration: Session expiration
+  label_show_single_column_projects: Show on single column
   label_show_closed_projects: View closed projects
   label_status_transitions: Status transitions
   label_fields_permissions: Fields permissions
diff --git a/public/stylesheets/application.css b/public/stylesheets/application.css
index 19fb90f58..cbe3771d1 100644
--- a/public/stylesheets/application.css
+++ b/public/stylesheets/application.css
@@ -577,7 +577,7 @@ ul.projects ul {padding-left:1.6em;}
 ul.projects.root {margin:0; padding:0;}
 ul.projects li {list-style-type:none;}
 
-#projects-index {
+#projects-index.multiple {
   column-count: auto;
   column-width: 400px;
   -webkit-column-count: auto;