diff --git a/app/javascript/mastodon/hooks/useAudioVisualizer.ts b/app/javascript/mastodon/hooks/useAudioVisualizer.ts
index fefb1a2c4df..207b6bea04d 100644
--- a/app/javascript/mastodon/hooks/useAudioVisualizer.ts
+++ b/app/javascript/mastodon/hooks/useAudioVisualizer.ts
@@ -1,7 +1,7 @@
 import { useState, useEffect, useRef } from 'react';
 
 const normalizeFrequencies = (arr: Float32Array): number[] => {
-  return new Array(...arr).map((value: number) => {
+  return [...arr].map((value: number) => {
     if (value === -Infinity) {
       return 0;
     }