From d75ad141af550d845b37ffb584fe1279ed778ae4 Mon Sep 17 00:00:00 2001
From: jpirnay <jens@pirnay.com>
Date: Tue, 12 May 2026 12:09:59 +0200
Subject: [PATCH] Fix asymmetric memory guard

---
 lib/Epub/Epub/parsers/ChapterHtmlSlimParser.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Epub/Epub/parsers/ChapterHtmlSlimParser.cpp b/lib/Epub/Epub/parsers/ChapterHtmlSlimParser.cpp
index bc3f9478..e4f47f22 100644
--- a/lib/Epub/Epub/parsers/ChapterHtmlSlimParser.cpp
+++ b/lib/Epub/Epub/parsers/ChapterHtmlSlimParser.cpp
@@ -230,7 +230,7 @@ bool ChapterHtmlSlimParser::ensureHeapForTextLayout(const char* phase) {
 
   const uint32_t freeHeap = ESP.getFreeHeap();
   const uint32_t maxAllocHeap = ESP.getMaxAllocHeap();
-  if (freeHeap >= MIN_FREE_HEAP_FOR_TEXT_LAYOUT || maxAllocHeap >= MIN_MAX_ALLOC_FOR_TEXT_LAYOUT) {
+  if (freeHeap >= MIN_FREE_HEAP_FOR_TEXT_LAYOUT && maxAllocHeap >= MIN_MAX_ALLOC_FOR_TEXT_LAYOUT) {
     return true;
   }