diff --git a/js/guano.js b/js/guano.js
index 99f26420..e7240ece 100644
--- a/js/guano.js
+++ b/js/guano.js
@@ -1,6 +1,6 @@
 ////////// GUANO Support /////////////
 
-
+const fs = require('node:fs');
 
 /**
  * Extract GUANO metadata from a WAV file, without reading the entire file into memory.