diff --git a/studs.php b/studs.php
index ddfc2b3..281fdc9 100644
--- a/studs.php
+++ b/studs.php
@@ -189,12 +189,11 @@ $slots = $pollService->allSlotsByPollId($poll_id);
 $votes = $pollService->allVotesByPollId($poll_id);
 $comments = $pollService->allCommentsByPollId($poll_id);
 
-
 // Assign data to template
 $smarty->assign('poll_id', $poll_id);
 $smarty->assign('poll', $poll);
 $smarty->assign('title', _('Poll') . ' - ' . $poll->title);
-$smarty->assign('expired', $poll->end_date < time());
+$smarty->assign('expired', strtotime($poll->end_date) < time());
 $smarty->assign('deletion_date', $poll->end_date + PURGE_DELAY * 86400);
 $smarty->assign('slots', $poll->format === 'D' ? $pollService->splitSlots($slots) : $slots);
 $smarty->assign('votes', $pollService->splitVotes($votes));