diff --git a/lib/Epub/Epub/Section.cpp b/lib/Epub/Epub/Section.cpp
index 5cd8f231..17a2df59 100644
--- a/lib/Epub/Epub/Section.cpp
+++ b/lib/Epub/Epub/Section.cpp
@@ -9,7 +9,7 @@
 namespace {
 constexpr uint8_t SECTION_FILE_VERSION = 9;
 constexpr uint32_t HEADER_SIZE = sizeof(uint8_t) + sizeof(int) + sizeof(float) + sizeof(bool) + sizeof(uint8_t) +
-                                 sizeof(uint16_t) + sizeof(uint16_t) + sizeof(uint16_t) + sizeof(uint32_t);
+                                 sizeof(uint16_t) + sizeof(uint16_t) + sizeof(uint16_t) + sizeof(bool) + sizeof(uint32_t);
 }  // namespace
 
 uint32_t Section::onPageComplete(std::unique_ptr<Page> page) {
@@ -38,7 +38,7 @@ void Section::writeSectionFileHeader(const int fontId, const float lineCompressi
   }
   static_assert(HEADER_SIZE == sizeof(SECTION_FILE_VERSION) + sizeof(fontId) + sizeof(lineCompression) +
                                    sizeof(extraParagraphSpacing) + sizeof(paragraphAlignment) + sizeof(viewportWidth) +
-                                   sizeof(viewportHeight) + sizeof(pageCount) + sizeof(uint32_t),
+                                   sizeof(viewportHeight) + sizeof(pageCount) + sizeof(hyphenationEnabled) + sizeof(uint32_t),
                 "Header size mismatch");
   serialization::writePod(file, SECTION_FILE_VERSION);
   serialization::writePod(file, fontId);
@@ -47,8 +47,8 @@ void Section::writeSectionFileHeader(const int fontId, const float lineCompressi
   serialization::writePod(file, paragraphAlignment);
   serialization::writePod(file, viewportWidth);
   serialization::writePod(file, viewportHeight);
-  serialization::writePod(file, pageCount);  // Placeholder for page count (will be initially 0 when written)
   serialization::writePod(file, hyphenationEnabled);
+  serialization::writePod(file, pageCount);  // Placeholder for page count (will be initially 0 when written)
   serialization::writePod(file, static_cast<uint32_t>(0));  // Placeholder for LUT offset
 }