diff --git a/livestreams.py b/livestreams.py
index 60028f862304533f24b15ccc04daa53555a77ce0..23001259f8fff513da9b1e06d6a3415450c11757 100644
--- a/livestreams.py
+++ b/livestreams.py
@@ -2,11 +2,7 @@ from server import *
 
 @sched_func(30)
 def livestream_thumbnail():
-	livestreams = query('''SELECT streams.lecture_id
-			FROM streams
-			JOIN lectures ON lectures.id = streams.lecture_id
-			WHERE streams.active)
-			''')
+	livestreams = query('SELECT streams.lecture_id FROM streams WHERE streams.active')
 
 	for v in genlive(livestreams):
 		sorter.schedule_thumbnail(v['lecture_id'], v['path'])