diff --git a/Arrangement_on_surface_2/demo/Arrangement_on_surface_2/CMakeLists.txt b/Arrangement_on_surface_2/demo/Arrangement_on_surface_2/CMakeLists.txt
index b1de5935340d..1ad374a61033 100644
--- a/Arrangement_on_surface_2/demo/Arrangement_on_surface_2/CMakeLists.txt
+++ b/Arrangement_on_surface_2/demo/Arrangement_on_surface_2/CMakeLists.txt
@@ -17,7 +17,7 @@ find_package(Qt6 QUIET COMPONENTS Widgets)
 
 if (CGAL_Qt6_FOUND AND Qt6_FOUND)
   add_compile_definitions(QT_NO_KEYWORDS)
-  include_directories( BEFORE ./ )
+  set(CMAKE_INCLUDE_CURRENT_DIR ON)
 
   # Arrangement package includes
   add_definitions(-DQT_NO_KEYWORDS)