diff --git a/ythdd_inv_tl.py b/ythdd_inv_tl.py
index cd9ce53..c191803 100644
--- a/ythdd_inv_tl.py
+++ b/ythdd_inv_tl.py
@@ -886,8 +886,10 @@ def playlists(data, req, only_json: bool = False):
 
 	plid = data[3]
 
-	if len(plid) not in (34, 36):
-		print("error(playlists): len(plid) is not 34 or 36...!")
+	# no info about what length can playlists be
+	# settle for a basic sanity check instead
+	# if len(plid) not in (18, 34, 36):
+	if not plid.startswith("PL"):
 		response = {"error": "Only standard playlists are currently supported (no mixes, video-based playlists, etc.)"}
 		if only_json:
 			return response