diff --git a/src/html.js b/src/html.js
index 1f47197..2c3a31d 100644
--- a/src/html.js
+++ b/src/html.js
@@ -91,7 +91,7 @@ const addBody = ({ url, headers, html }) => {
}
const isOpenGraph = (prop = '') =>
- ['og:', 'fb:'].some(prefix => prop.startsWith(prefix))
+ ['og:', 'fb:', 'al:'].some(prefix => prop.startsWith(prefix))
const rewriteMetaTags = ({ $ }) => {
$('meta').each((_, element) => {
diff --git a/test/html/rewrite-html.js b/test/html/rewrite-html.js
index 08e8ed3..500bdae 100644
--- a/test/html/rewrite-html.js
+++ b/test/html/rewrite-html.js
@@ -20,89 +20,51 @@ const composeHtml = meta =>