diff --git a/test/unit/helpers/application_helper_test.rb b/test/unit/helpers/application_helper_test.rb
index 4134141..9db9434 100644
--- a/test/unit/helpers/application_helper_test.rb
+++ b/test/unit/helpers/application_helper_test.rb
@@ -95,7 +95,9 @@ class ApplicationHelperTest < HelperTestCase
       'Inline image: !logo.gif!' => 'Inline image: <img src="/attachments/download/3" title="This is a logo" alt="This is a logo" />',
       'Inline image: !logo.GIF!' => 'Inline image: <img src="/attachments/download/3" title="This is a logo" alt="This is a logo" />',
       'No match: !ogo.gif!' => 'No match: <img src="ogo.gif" alt="" />',
-      'No match: !ogo.GIF!' => 'No match: <img src="ogo.GIF" alt="" />'
+      'No match: !ogo.GIF!' => 'No match: <img src="ogo.GIF" alt="" />',
+      # link image
+      '!logo.gif!:http://foo.bar/' => '<a href="http://foo.bar/"><img src="/attachments/download/3" title="This is a logo" alt="This is a logo" /></a>',
     }
     attachments = Attachment.find(:all)
     to_test.each { |text, result| assert_equal "<p>#{result}</p>", textilizable(text, :attachments => attachments) }