From 99265ba1b7061ae0521be8e777db8bdfbf59c2dc Mon Sep 17 00:00:00 2001
From: hius07 <62179190+hius07@users.noreply.github.com>
Date: Sun, 16 Apr 2023 22:46:09 +0300
Subject: [PATCH] BookInfo: fix crash on show cover (#10315)

---
 frontend/apps/filemanager/filemanagerbookinfo.lua | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/frontend/apps/filemanager/filemanagerbookinfo.lua b/frontend/apps/filemanager/filemanagerbookinfo.lua
index c2d61e383..3134518cf 100644
--- a/frontend/apps/filemanager/filemanagerbookinfo.lua
+++ b/frontend/apps/filemanager/filemanagerbookinfo.lua
@@ -252,7 +252,9 @@ function BookInfo:onShowBookCover(file)
                 text = _("No cover image available."),
             })
         end
-        document:close()
+        if not self.document then
+            document:close()
+        end
     end
 end