From c9357060b26882abc0113a412f12ea7a151fb9f2 Mon Sep 17 00:00:00 2001
From: Gary Katsevman <git@gkatsev.com>
Date: Thu, 12 Dec 2024 09:53:25 -0500
Subject: [PATCH] use in operator against the correct object

---
 lib/player.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/player.js b/lib/player.js
index 4969daaa75..50740826a5 100644
--- a/lib/player.js
+++ b/lib/player.js
@@ -4051,12 +4051,12 @@ shaka.Player = class extends shaka.util.FakeEventTarget {
       for (const keySystem in config['drm']['advanced']) {
         const {videoRobustness, audioRobustness} =
             config['drm']['advanced'][keySystem];
-        if ('videoRobustness' in keySystem &&
+        if ('videoRobustness' in config['drm']['advanced'][keySystem] &&
             !Array.isArray(keySystem['videoRobustness'])) {
           keySystem['videoRobustness'] = [videoRobustness];
           fixedUp = true;
         }
-        if ('audioRobustness' in keySystem &&
+        if ('audioRobustness' in config['drm']['advanced'][keySystem] &&
             !Array.isArray(keySystem['audioRobustness'])) {
           keySystem['audioRobustness'] = [audioRobustness];
           fixedUp = true;