diff --git a/livestreams.py b/livestreams.py
index 966539eb59894293f8d20bae35b25dbe76bd2da5..10c1606d2237ef3596632229b66d7398b3df6d34 100644
--- a/livestreams.py
+++ b/livestreams.py
@@ -156,7 +156,7 @@ def streamauth(server):
 			return 'Ok', 200
 		for lecture in query('SELECT * FROM lectures WHERE stream_job IS NOT NULL'):
 			settings = json.loads(lecture['stream_settings'])
-			if source['id'] in [settings.get('source1'), settings.get('source2')]:
+			if str(source['id']) in [str(settings.get('source1')), str(settings.get('source2'))]:
 				cancel_job(lecture['stream_job'])
 		return 'Ok', 200
 	return 'Bad request', 400