diff --git a/com/isoterminal/feat/boot.js b/com/isoterminal/feat/boot.js
index 53213e9..9432074 100644
--- a/com/isoterminal/feat/boot.js
+++ b/com/isoterminal/feat/boot.js
@@ -38,7 +38,7 @@ ISOTerminal.prototype.boot.menu = [
     key: "1",
     title: (opts) => `boot ${String(opts.iso || "").replace(/.*\//,'')} Linux ❤️ `,
     init: function(){ this.bootISO() },
-    keyHandler: (ch) => this.send(ch)  // send to v86 webworker
+    keyHandler: function(ch){ this.send(ch) }  // send to v86 webworker
   },
 
   {