diff --git a/Installation/cmake/modules/CGAL_Macros.cmake b/Installation/cmake/modules/CGAL_Macros.cmake
index 62d048533f1..1df8999b5a9 100644
--- a/Installation/cmake/modules/CGAL_Macros.cmake
+++ b/Installation/cmake/modules/CGAL_Macros.cmake
@@ -482,7 +482,7 @@ function(process_CGAL_subdirectory entry subdir type_name)
     if(dont_submit_grep) 
       set(ADD_SUBDIR FALSE)
     endif()
-    file(STRINGS ${entry}/../../dont_submit dont_submit_grep REGEX "^${subdir}")
+    file(STRINGS ${entry}/../../dont_submit dont_submit_grep REGEX "^${subdir}/?\$")
     if(dont_submit_grep) 
       set(ADD_SUBDIR FALSE)
     endif()