diff --git a/test/helpers/application_helper_test.rb b/test/helpers/application_helper_test.rb
index 936a0ba84..17d4a14c2 100644
--- a/test/helpers/application_helper_test.rb
+++ b/test/helpers/application_helper_test.rb
@@ -1318,6 +1318,7 @@ RAW
       assert_match tag_for_anonymous_re, avatar(nil)
       # Avatar for anonymous user
       assert_match tag_for_anonymous_re, avatar(User.anonymous)
+      assert avatar(User.anonymous, :size => 24).include?('width="24" height="24"')
     end
   end