diff --git a/lib/widget/help.rb b/lib/widget/help.rb
index b2fc821f46..8aa9b5b9c8 100644
--- a/lib/widget/help.rb
+++ b/lib/widget/help.rb
@@ -11,7 +11,7 @@ class Widget::Help < Widget::Base
     options.merge!(yield) if block_given?
     sai = options[:show_at_id] ? ", show_at_id: '#{options[:show_at_id]}'" : ""
 
-    icon = tag :img, :src => image_path('icon_info_red.gif'), :id => "target:#{@subject}"
+    icon = tag :img, :src => image_path('icon_info_red.gif'), :id => "target:#{@subject}", :alt => ''
     tip = content_tag_string :span, l(@subject), tip_config(options[:tooltip]), false
     script = content_tag :script,
       "new Tooltip('target:#{@subject}', 'tip:#{@subject}', {className: 'tooltip'#{sai}});",