diff --git a/reader.js b/reader.js
index b104422..2688ef4 100644
--- a/reader.js
+++ b/reader.js
@@ -298,6 +298,7 @@ class Reader {
 const open = async file => {
     document.body.removeChild($('#drop-target'))
     const reader = new Reader()
+    globalThis.reader = reader
     await reader.open(file)
 }