diff --git a/extra/html/entities/entities-tests.factor b/extra/html/entities/entities-tests.factor
index 5e680f4fd1..a9cdbd1a4d 100644
--- a/extra/html/entities/entities-tests.factor
+++ b/extra/html/entities/entities-tests.factor
@@ -4,6 +4,8 @@ IN: html.entities
 { "&" } [ "&" html-unescape ] unit-test
 { "a" } [ "&#x61" html-unescape ] unit-test
 { "<foo>" } [ "&lt;foo&gt;" html-unescape ] unit-test
+{ "This &that" } [ "This &amp;that" html-unescape ] unit-test
+{ "This &that" } [ "This &ampthat" html-unescape ] unit-test
 
 { "&amp;" } [ "&" html-escape ] unit-test
 { "&lt;foo&gt;" } [ "<foo>" html-escape ] unit-test