From 9e5f298350d9b05dbb60ba122cd8cb72d40c8997 Mon Sep 17 00:00:00 2001
From: Claire <claire.github-309c@sitedethib.com>
Date: Mon, 27 Jul 2026 11:46:27 +0200
Subject: [PATCH] Fix being unable to vote in polls without an expiration date
 (#39949)

---
 app/javascript/mastodon/api_types/polls.ts  | 2 +-
 app/javascript/mastodon/components/poll.tsx | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/app/javascript/mastodon/api_types/polls.ts b/app/javascript/mastodon/api_types/polls.ts
index 891a2faba79..1ff2a6a5cba 100644
--- a/app/javascript/mastodon/api_types/polls.ts
+++ b/app/javascript/mastodon/api_types/polls.ts
@@ -9,7 +9,7 @@ export interface ApiPollOptionJSON {
 
 export interface ApiPollJSON {
   id: string;
-  expires_at: string;
+  expires_at: string | null;
   expired: boolean;
   multiple: boolean;
   votes_count: number;
diff --git a/app/javascript/mastodon/components/poll.tsx b/app/javascript/mastodon/components/poll.tsx
index c77ce8bcee7..443022c0031 100644
--- a/app/javascript/mastodon/components/poll.tsx
+++ b/app/javascript/mastodon/components/poll.tsx
@@ -36,7 +36,7 @@ const messages = defineMessages({
 });
 
 const isPollExpired = (expiresAt: Model.Poll['expires_at']) =>
-  new Date(expiresAt).getTime() < Date.now();
+  expiresAt !== null && new Date(expiresAt).getTime() < Date.now();
 
 interface PollProps {
   pollId: string;
@@ -64,7 +64,7 @@ export const Poll: React.FC<PollProps> = ({ pollId, disabled, status }) => {
     return poll.expired || isPollExpired(poll.expires_at);
   }, [poll]);
   const timeRemaining = useMemo(() => {
-    if (!poll) {
+    if (!poll?.expires_at) {
       return null;
     }
     if (expired) {