From e98d4bb40982a3bd5d7cb34ea4c25fdad3e4e979 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Fri, 20 Mar 2026 11:32:51 +0530
Subject: [PATCH] ...

---
 src/calibre/gui2/fts/cards.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/gui2/fts/cards.py b/src/calibre/gui2/fts/cards.py
index dae1935b15..f122d8d1e7 100644
--- a/src/calibre/gui2/fts/cards.py
+++ b/src/calibre/gui2/fts/cards.py
@@ -509,7 +509,7 @@ class VirtualCardContainer(QWidget):
         needed: set[int] = set()
         for r in range(first_row, last_row):
             ri = self._rows[r]
-            for idx in range(ri.first_index, ri.first_index + ri.card_count):
+            for idx in range(ri.first_index, min(ri.first_index + ri.card_count, len(self._cards))):
                 needed.add(idx)
 
         # Recycle widgets that are no longer needed