From 90d4d22ba69e819c48d2f27a78ec535fb3a4221f Mon Sep 17 00:00:00 2001
From: NiLuJe <ninuje@gmail.com>
Date: Sat, 4 Sep 2021 12:02:06 +0200
Subject: [PATCH] ReaderBookmark:renameBookmark: Better nil guard (#8176)

When matching a highlight to a bookmark *really* fails.

(Noticed in the log from #8175)
---
 frontend/apps/reader/modules/readerbookmark.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/frontend/apps/reader/modules/readerbookmark.lua b/frontend/apps/reader/modules/readerbookmark.lua
index d0042600c..8b5e88a28 100644
--- a/frontend/apps/reader/modules/readerbookmark.lua
+++ b/frontend/apps/reader/modules/readerbookmark.lua
@@ -621,7 +621,7 @@ function ReaderBookmark:renameBookmark(item, from_highlight)
                 break
             end
         end
-        if bookmark.text == nil then -- bookmark not found
+        if not bookmark or bookmark.text == nil then -- bookmark not found
             return
         end
     else