diff --git a/servehelper.cpp b/servehelper.cpp
index caaf5b9..aa7e923 100644
--- a/servehelper.cpp
+++ b/servehelper.cpp
@@ -472,6 +472,8 @@ static inline Element serialize_media(const Media& media) {
 }
 
 static inline Element serialize_poll(const httplib::Request& req, const Poll& poll) {
+    using namespace std::string_literals;
+
     uint64_t voters_count = poll.voters_count >= 0 ? static_cast<uint64_t>(poll.voters_count) : poll.votes_count;
     Element div("div");
 
@@ -496,10 +498,13 @@ static inline Element serialize_poll(const httplib::Request& req, const Poll& po
         : std::vector<Node>({std::to_string(poll.votes_count), " ", pick_form(poll.votes_count, "vote", "votes")})
     );
     if (poll.expired) {
-        p.nodes.push_back(" / Expired");
+        p.nodes.push_back(" / ");
+        p.nodes.push_back(Element("time", {{"datetime", to_rfc3339(poll.expires_at)}, {"title", "Expired on "s + full_time(poll.expires_at)}}, {"Expired"}));
     } else if (poll.expires_at >= 0) {
-        p.nodes.push_back(" / Expires in ");
-        p.nodes.push_back(relative_time(current_time(), poll.expires_at));
+        p.nodes.push_back(" / ");
+        p.nodes.push_back(Element("time", {{"datetime", to_rfc3339(poll.expires_at)}, {"title", full_time(poll.expires_at)}}, {
+            "Expires in ", relative_time(current_time(), poll.expires_at),
+        }));
     }
     div.nodes.push_back(std::move(p));