From 600f71fda6941f6d8257a9f85e9600e4e70cc2c9 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Wed, 10 Jul 2019 14:13:56 +0530
Subject: [PATCH] Fix preview going to top anchor not working

---
 src/calibre/gui2/tweak_book/preview.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/calibre/gui2/tweak_book/preview.py b/src/calibre/gui2/tweak_book/preview.py
index 29c0ea8fe5..397cfcdd59 100644
--- a/src/calibre/gui2/tweak_book/preview.py
+++ b/src/calibre/gui2/tweak_book/preview.py
@@ -289,6 +289,8 @@ class WebPage(QWebEnginePage):
         return False
 
     def go_to_anchor(self, anchor):
+        if anchor is TOP:
+            anchor = ''
         self.bridge.go_to_anchor.emit(anchor or '')
 
     def runjs(self, src, callback=None):