diff --git a/index.html b/index.html
index 6b66242..dd54718 100644
--- a/index.html
+++ b/index.html
@@ -91,7 +91,7 @@
           workletOptions: {
             numberOfInputs: 1,
             numberOfOutputs: 2,
-            channelCount: 2,
+            outputChannelCount: [2, 2],
             processorOptions: {
               codec: 'audio/wav',
               offset: 0