diff --git a/extract.js b/extract.js
index 0ed9f82bf287aa040dd560eabbe052316223011d..16f26d49a8b0eb554b7e0a79a076027612fb4ce1 100644
--- a/extract.js
+++ b/extract.js
@@ -1,3 +1,4 @@
+const EventEmitter = require('events')
 const { Writable, Readable, getStreamError } = require('streamx')
 const FIFO = require('fast-fifo')
 const b4a = require('b4a')