diff --git a/src/pyj/book_list/book_details.pyj b/src/pyj/book_list/book_details.pyj
index b9092a266d..d5009b405b 100644
--- a/src/pyj/book_list/book_details.pyj
+++ b/src/pyj/book_list/book_details.pyj
@@ -449,6 +449,7 @@ def check_for_books_loaded():
 def init(container_id):
     container = document.getElementById(container_id)
     create_top_bar(container, title=_('Book details'), action=back, icon='close')
+    window.scrollTo(0, 0)  # Ensure we are at the top of the window
     container.appendChild(E.div(class_=CLASS_NAME))
     container.lastChild.appendChild(E.div(_('Loading books from the calibre library, please wait...'), style='margin: 1ex 1em'))
     conditional_timeout(container_id, 5, check_for_books_loaded)
diff --git a/src/pyj/read_book/ui.pyj b/src/pyj/read_book/ui.pyj
index dfe389ffb4..284c592e6c 100644
--- a/src/pyj/read_book/ui.pyj
+++ b/src/pyj/read_book/ui.pyj
@@ -415,6 +415,7 @@ class ReadUI:
         current_state = self.url_data
         same = current_query.library_id is current_state.library_id and str(current_query.book_id) is str(current_state.book_id) and current_query.fmt is current_state.fmt
         self.view.overlay.hide()
+        window.scrollTo(0, 0)  # Ensure we are at the top of the window
         if same:
             if current_state.bookpos is not current_query.bookpos and current_query.bookpos:
                 self.view.goto_bookpos(current_query.bookpos)