diff --git a/app/controllers/public/profile_controller.rb b/app/controllers/public/profile_controller.rb
index 44c5ca8..0f4e4ad 100644
--- a/app/controllers/public/profile_controller.rb
+++ b/app/controllers/public/profile_controller.rb
@@ -48,6 +48,8 @@ class ProfileController < PublicController
       profile.add_member(current_user.person)
       flash[:notice] = _('%s administrator still needs to accept you as member.') % profile.name if profile.closed?
       redirect_to profile.url
+    else
+      render :layout => false
     end
   end
 
diff --git a/app/views/blocks/profile_info_actions/community.rhtml b/app/views/blocks/profile_info_actions/community.rhtml
index b4be4b2..3a2e8e5 100644
--- a/app/views/blocks/profile_info_actions/community.rhtml
+++ b/app/views/blocks/profile_info_actions/community.rhtml
@@ -7,7 +7,7 @@
       </li>
     <% else %>
       <li>
-        <%= link_to content_tag('span', _('Join')), { :profile => profile.identifier, :controller => 'profile', :action => 'join' }, :class => 'button with-text icon-add', :title => _('Join this community') %>
+        <%= lightbox_link_to content_tag('span', _('Join')), { :profile => profile.identifier, :controller => 'profile', :action => 'join' }, :class => 'button with-text icon-add', :title => _('Join this community') %>
       </li>
     <% end %>
 
diff --git a/app/views/profile/join.rhtml b/app/views/profile/join.rhtml
index ebd44b0..9920e9c 100644
--- a/app/views/profile/join.rhtml
+++ b/app/views/profile/join.rhtml
@@ -7,5 +7,5 @@
 <% form_tag do %>
   <%= hidden_field_tag(:confirmation, 1) %>
   <%= submit_button(:ok, _("Yes, I want to join.") % profile.name) %>
-  <%= button(:cancel, _("No, I don't want."), :action => 'index') %>
+  <%= lightbox_close_button(_("No, I don't want."), :action => 'index') %>
 <% end %>
diff --git a/app/views/shared/join_community_popup.rhtml b/app/views/shared/join_community_popup.rhtml
index fdfcdd5..9e5bb47 100644
--- a/app/views/shared/join_community_popup.rhtml
+++ b/app/views/shared/join_community_popup.rhtml
@@ -2,7 +2,7 @@
   <h3> <%= __('Do you want to join this community?') %> </h3>
 
   <% button_bar do %>
-    <%= button(:ok, _('Yes'), :controller => 'profile', :action => 'join', :profile => profile.identifier) %>
+    <%= lightbox_button(:ok, _('Yes'), :controller => 'profile', :action => 'join', :profile => profile.identifier) %>
     <%= button_to_function(:cancel, _('Not now'), "$('join-community-popup').hide()") %>
     <%= button(:cancel, _('No and don\'t ask again'), :controller => 'profile', :action => 'refuse_join', :profile => profile.identifier) %>
   <% end %>
diff --git a/test/functional/profile_controller_test.rb b/test/functional/profile_controller_test.rb
index 496d1ff..17afd4c 100644
--- a/test/functional/profile_controller_test.rb
+++ b/test/functional/profile_controller_test.rb
@@ -63,6 +63,15 @@ class ProfileControllerTest < Test::Unit::TestCase
     assert_kind_of Array, assigns(:favorite_enterprises)
   end
 
+  should 'render join template without layout when not' do
+    community = Community.create!(:name => 'my test community')
+    login_as(@profile.identifier)
+    get :join, :profile => community.identifier
+    assert_response :success
+    assert_template 'join'
+    assert_no_tag :tag => 'html'
+  end
+
   should 'show Join This Community button for non-member users' do
     login_as(@profile.identifier)
     community = Community.create!(:name => 'my test community')
--
libgit2 0.21.2