From 312f5bd1e719903ed7ec2c2d7760230f1351df36 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 27 Feb 2023 08:24:06 +0530
Subject: [PATCH] ...

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

diff --git a/src/calibre/gui2/toc/main.py b/src/calibre/gui2/toc/main.py
index 30d9770dc9..b2bf4407eb 100644
--- a/src/calibre/gui2/toc/main.py
+++ b/src/calibre/gui2/toc/main.py
@@ -1162,6 +1162,8 @@ class TOCEditor(QDialog):  # {{{
 
 
 def develop():
+    from calibre.utils.webengine import setup_fake_protocol
+    setup_fake_protocol()
     from calibre.gui2 import Application
     app = Application([])
     d = TOCEditor(sys.argv[-1])