From 6403ce6309913b098792ec500bcf8373f6acdee0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=95=D0=B3=D0=BE=D1=80=20=D0=9C=D0=B0=D1=80=D1=82=D1=8B?=
 =?UTF-8?q?=D0=BD=D0=BE=D0=B2?= <martynovegorOF@yandex.ru>
Date: Thu, 19 Feb 2026 17:59:15 +0700
Subject: [PATCH] fix: go to prev page on the first one, get teleported to the
 end of book (#970)

## Summary

1. Go to the first page in a .epub file.
2. Hit `Up` button
3. Get teleported to the last page :)

`TxtRenderActivity` seems to have this if check, but EPUB one does not.

---

### AI Usage

While CrossPoint doesn't have restrictions on AI tools in contributing,
please be transparent about their usage as it
helps set the right context for reviewers.

Did you use AI tools to help write this code? _**NO**_
---
 src/activities/reader/EpubReaderActivity.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/activities/reader/EpubReaderActivity.cpp b/src/activities/reader/EpubReaderActivity.cpp
index 01b845ca..5f40a6a5 100644
--- a/src/activities/reader/EpubReaderActivity.cpp
+++ b/src/activities/reader/EpubReaderActivity.cpp
@@ -337,7 +337,7 @@ void EpubReaderActivity::loop() {
   if (prevTriggered) {
     if (section->currentPage > 0) {
       section->currentPage--;
-    } else {
+    } else if (currentSpineIndex > 0) {
       // We don't want to delete the section mid-render, so grab the semaphore
       {
         RenderLock lock(*this);