diff --git a/qa/qa/page/component/dropzone.rb b/qa/qa/page/component/dropzone.rb
index 5e6fdff20eb..15bdc742fda 100644
--- a/qa/qa/page/component/dropzone.rb
+++ b/qa/qa/page/component/dropzone.rb
@@ -4,6 +4,8 @@ module QA
       class Dropzone
         attr_reader :page, :container
 
+        # page      - A QA::Page::Base object
+        # container - CSS selector of the comment textarea's container
         def initialize(page, container)
           @page = page
           @container = container
diff --git a/qa/qa/page/project/issue/show.rb b/qa/qa/page/project/issue/show.rb
index 364a2c61665..5bc0598a524 100644
--- a/qa/qa/page/project/issue/show.rb
+++ b/qa/qa/page/project/issue/show.rb
@@ -27,7 +27,7 @@ module QA
             fill_in(with: text, name: 'note[note]')
 
             unless attachment.nil?
-              QA::Page::Component::Dropzone.new(page, '.new-note')
+              QA::Page::Component::Dropzone.new(self, '.new-note')
                 .attach_file(attachment)
             end