diff --git a/QXlsx/CMakeLists.txt b/QXlsx/CMakeLists.txt
index 4fa7f7f..074922a 100644
--- a/QXlsx/CMakeLists.txt
+++ b/QXlsx/CMakeLists.txt
@@ -179,7 +179,7 @@ PRIVATE
     ${QXLSX_HEADERPATH}
 PUBLIC
     $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/header>
-    $<INSTALL_INTERFACE:include/QXlsx>
+    $<INSTALL_INTERFACE:include/QXlsxQt${QT_VERSION_MAJOR}>
 )
 
 set_target_properties(QXlsx PROPERTIES