diff --git a/lib/m2ts/caption-stream.js b/lib/m2ts/caption-stream.js
index 4b2059b5..a2d3d9b0 100644
--- a/lib/m2ts/caption-stream.js
+++ b/lib/m2ts/caption-stream.js
@@ -690,9 +690,12 @@ Cea708Stream.prototype.handleText = function(i, service, options) {
 
   // Converts an array of bytes to a unicode hex string.
   function toHexString(byteArray) {
-    return Array.from(byteArray, function(byte) {
-      return ('0' + (byte & 0xFF).toString(16)).slice(-2);
-    }).join('');
+    const newArr = [];
+    byteArray.forEach((byte) => {
+      newArr.push(('0' + (byte & 0xFF).toString(16)).slice(-2));
+    });
+
+    return newArr.join('');
   };
 
   if (isMultiByte) {