diff --git a/src/sidebar.js b/src/sidebar.js
index 29c6e92..055a445 100644
--- a/src/sidebar.js
+++ b/src/sidebar.js
@@ -482,7 +482,7 @@ var progress = false
 function downloadNextBook(){
     progress = true
 
-    let download = download_list.pop()
+    let download = download_list.shift()
     item_id = download.page_id
     book_id = download.book_id