diff --git a/app/helpers/custom_fields_helper.rb b/app/helpers/custom_fields_helper.rb
index 0f7a5a135..3028cd4ed 100644
--- a/app/helpers/custom_fields_helper.rb
+++ b/app/helpers/custom_fields_helper.rb
@@ -68,7 +68,7 @@ module CustomFieldsHelper
     custom_field_label_tag(name, custom_value) + custom_field_tag(name, custom_value)
   end
   
-  def custom_field_tag_for_bulk_edit(name, custom_field, projects)
+  def custom_field_tag_for_bulk_edit(name, custom_field, projects=nil)
     field_name = "#{name}[custom_field_values][#{custom_field.id}]"
     field_id = "#{name}_custom_field_values_#{custom_field.id}"
     field_format = Redmine::CustomFieldFormat.find_by_name(custom_field.field_format)