diff --git a/Installation/cmake/modules/CGAL_enable_end_of_configuration_hook.cmake b/Installation/cmake/modules/CGAL_enable_end_of_configuration_hook.cmake
index ebd518c8ab0..7678282783e 100644
--- a/Installation/cmake/modules/CGAL_enable_end_of_configuration_hook.cmake
+++ b/Installation/cmake/modules/CGAL_enable_end_of_configuration_hook.cmake
@@ -18,8 +18,10 @@ function(CGAL_run_at_the_end_of_configuration variable access value current_list
     return()
   endif()
   if(current_list_file STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt"
-        AND NOT current_list_file STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt"	      OR NOT stack STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt"
-        AND stack STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt")	      OR stack MATCHES doc/CMakeLists.txt
+        AND NOT current_list_file STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt"
+        OR NOT stack STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt"
+        AND stack STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt"
+        OR stack MATCHES doc/CMakeLists.txt
         OR stack MATCHES demo/Polyhedron/)
       return()
   endif()