diff --git a/src/views/partials/topic/post-parent.tpl b/src/views/partials/topic/post-parent.tpl
index 98a2eec002..5e73f8cf70 100644
--- a/src/views/partials/topic/post-parent.tpl
+++ b/src/views/partials/topic/post-parent.tpl
@@ -5,7 +5,7 @@
 			<a class="fw-semibold text-truncate" style="max-width: 150px;" href="{config.relative_path}/user/{./parent.user.userslug}">{./parent.user.displayname}</a>
 		</div>
 
-		<a href="{config.relative_path}/post/{./parent.pid}" class="text-muted timeago text-nowrap hidden" title="{./parent.timestampISO}"></a>
+		<a href="{config.relative_path}/post/{encodeURIComponent(./parent.pid)}" class="text-muted timeago text-nowrap hidden" title="{./parent.timestampISO}"></a>
 	</div>
 	<div component="post/parent/content" class="text-muted line-clamp-1 text-break w-100">{./parent.content}</div>
 </div>