diff --git a/tests/test.h264.js b/tests/test.h264.js
index 42273e7c..2f67391c 100644
--- a/tests/test.h264.js
+++ b/tests/test.h264.js
@@ -49,7 +49,9 @@ async function haveH264Decode() {
         optimizeForLatency: true,
     };
 
-    _haveH264Decode = await VideoDecoder.isConfigSupported(config);
+    let support = await VideoDecoder.isConfigSupported(config);
+    _haveH264Decode = support.supported;
+
     return _haveH264Decode;
 }