diff --git a/playlist_manager/playlist_manager/main.py b/playlist_manager/playlist_manager/main.py
index ceda7dd..4ef0fe9 100644
--- a/playlist_manager/playlist_manager/main.py
+++ b/playlist_manager/playlist_manager/main.py
@@ -245,7 +245,8 @@ class ListQuery(object):
 
 def parse_playlist_arg(arg):
 	playlist, tags = arg.split('=', 1)
-	tags = tags.split(",").lower() if tags else []
+	tags = tags.split(",") if tags else []
+	tags = [tag.lower() for tag in tags]
 	return playlist, tags