diff --git a/main.js b/main.js
index e1cd800..025dfe0 100644
--- a/main.js
+++ b/main.js
@@ -32,7 +32,7 @@ let clear = new Button("blank");
 clear.addHandler(canvas.clear.bind(canvas));
 
 let downloadButton = new Button("download");
-download.addHandler(download);
+downloadButton.addHandler(download);
 
 window.addEventListener("resize", onWindowResize, false);