diff --git a/Pdf4QtLibGui/CMakeLists.txt b/Pdf4QtLibGui/CMakeLists.txt
index eb570c6..8e7354e 100644
--- a/Pdf4QtLibGui/CMakeLists.txt
+++ b/Pdf4QtLibGui/CMakeLists.txt
@@ -84,7 +84,7 @@ include(GenerateExportHeader)
 GENERATE_EXPORT_HEADER(Pdf4QtLibGui
                        EXPORT_MACRO_NAME
                        PDF4QTLIBGUILIBSHARED_EXPORT
-                       EXPORT_FILE_NAME "${CMAKE_BINARY_DIR}/${INSTALL_INCLUDEDIR}/Pdf4QtLibGui_export.h")
+                       EXPORT_FILE_NAME "${CMAKE_BINARY_DIR}/${INSTALL_INCLUDEDIR}/pdf4qtlibgui_export.h")
 
 target_link_libraries(Pdf4QtLibGui PRIVATE Pdf4QtLibCore Pdf4QtLibWidgets Qt6::Core Qt6::Gui Qt6::Widgets Qt6::PrintSupport Qt6::TextToSpeech Qt6::Xml Qt6::Svg)
 target_include_directories(Pdf4QtLibGui INTERFACE ${CMAKE_CURRENT_SOURCE_DIR})
diff --git a/Pdf4QtLibGui/pdfviewerglobal.h b/Pdf4QtLibGui/pdfviewerglobal.h
index a30a7dc..4123bff 100644
--- a/Pdf4QtLibGui/pdfviewerglobal.h
+++ b/Pdf4QtLibGui/pdfviewerglobal.h
@@ -1,4 +1,4 @@
-//    Copyright (C) 2020-2021 Jakub Melka
+//    Copyright (C) 2020-2024 Jakub Melka
 //
 //    This file is part of PDF4QT.
 //