diff --git a/demo.js b/demo.js
index c42f5e6..be9d7ab 100644
--- a/demo.js
+++ b/demo.js
@@ -206,7 +206,7 @@ document.body.addEventListener('drop', function(e){
 	var reader = new FileReader();
 
 	Tesseract.recognize(file, language)
-	.progress( progress )
+	.progress( progressUpdate )
 	.then( result )
 
 	reader.onload = function(e){