diff --git a/lib/redmine/views/labelled_form_builder.rb b/lib/redmine/views/labelled_form_builder.rb
index c08030d93..2b9c2b510 100644
--- a/lib/redmine/views/labelled_form_builder.rb
+++ b/lib/redmine/views/labelled_form_builder.rb
@@ -23,7 +23,9 @@ class Redmine::Views::LabelledFormBuilder < ActionView::Helpers::FormBuilder
   include Redmine::I18n
 
   (field_helpers.map(&:to_s) - %w(radio_button hidden_field fields_for check_box label) +
-        %w(date_selec)).each do |selector|
+        # Do not remove text_area; otherwise labels in plugins using text_area
+        # instead of textarea will disappear.
+        %w(date_select text_area)).each do |selector|
     src = <<-END_SRC
     def #{selector}(field, options = {})
       label_for_field(field, options) + super(field, options.except(:label)).html_safe