diff --git a/app/helpers/custom_fields_helper.rb b/app/helpers/custom_fields_helper.rb
index 47dc33e963..6c0843800b 100644
--- a/app/helpers/custom_fields_helper.rb
+++ b/app/helpers/custom_fields_helper.rb
@@ -91,6 +91,14 @@ module CustomFieldsHelper
                 lang: custom_value.custom_field.name_locale
   end
 
+  def hidden_custom_field_label_tag(name, custom_value)
+    content_tag 'label', h(custom_value.custom_field.name) +
+      (custom_value.custom_field.is_required? ? content_tag('span', ' *', class: 'required') : ''),
+                for: "#{name}_custom_field_values_#{custom_value.custom_field.id}",
+                class: "hidden-for-sighted",
+                lang: custom_value.custom_field.name_locale
+  end
+
   def blank_custom_field_label_tag(name, custom_field)
     content_tag 'label', h(custom_field.name) +
       (custom_field.is_required? ? content_tag('span', ' *', class: 'required') : ''),
diff --git a/app/views/projects/form/_activities.html.erb b/app/views/projects/form/_activities.html.erb
index dc08513cf1..05a534ac19 100644
--- a/app/views/projects/form/_activities.html.erb
+++ b/app/views/projects/form/_activities.html.erb
@@ -97,6 +97,7 @@ See doc/COPYRIGHT.rdoc for more details.
                 <td><%= checked_image !enumeration.project %></td>
                 <% enumeration.custom_field_values.each do |value| %>
                   <td>
+                    <%= hidden_custom_field_label_tag "enumerations[#{enumeration.id}]", value %>
                     <%= custom_field_tag "enumerations[#{enumeration.id}]", value %>
                   </td>
                 <% end %>