diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 363653c..d9169d0 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -348,6 +348,11 @@ module ApplicationHelper
       else
         tag_options[:selected] = nil
       end
+      if options[:disabled].respond_to?(:include?) && options[:disabled].include?(project)
+        tag_options[:disabled] = 'disabled'
+      else
+        tag_options[:disabled] = nil
+      end
       tag_options.merge!(yield(project)) if block_given?
       s << content_tag('option', name_prefix + h(project), tag_options)
     end