diff --git a/STL_Extension/include/CGAL/Concurrent_compact_container.h b/STL_Extension/include/CGAL/Concurrent_compact_container.h index e0ad2fb5333..a7d9862d890 100644 --- a/STL_Extension/include/CGAL/Concurrent_compact_container.h +++ b/STL_Extension/include/CGAL/Concurrent_compact_container.h @@ -37,7 +37,8 @@ #include #include -#include +#include +#include #include