Fix chapter link in search results, closes #62

src/components/CourseListing.tsx

@@ -230,7 +230,10 @@ export function LectureListItem({
                         >
                             <span className="bi bi-play" />
                             <Link
-                                href={`/${course_id_string}/${lecture.id}?t=` + chapter.start_time}
+                                href={
+                                    `/${course_id_string ?? lecture.course_id}/${lecture.id}?t=` +
+                                    chapter.start_time
+                                }
                             >
                                 {chapter.name}
                             </Link>