diff --git a/html.c b/html.c
index 2cf2b26..ea75256 100644
--- a/html.c
+++ b/html.c
@@ -133,10 +133,13 @@ xs_html *html_actor_icon(xs_dict *actor, const char *date,
if (!xs_is_null(url)) {
+ xs *md5 = xs_md5_hex(url, strlen(url));
+
xs_html_add(actor_icon,
xs_html_text(" "),
xs_html_tag("a",
xs_html_attr("href", (char *)url),
+ xs_html_attr("title", md5),
xs_html_text("ยป")));
}