diff --git a/Triangulation_3/include/CGAL/Regular_triangulation_cell_base_3.h b/Triangulation_3/include/CGAL/Regular_triangulation_cell_base_3.h
index 1ce6dd19a9a..875cfe6f16e 100644
--- a/Triangulation_3/include/CGAL/Regular_triangulation_cell_base_3.h
+++ b/Triangulation_3/include/CGAL/Regular_triangulation_cell_base_3.h
@@ -28,7 +28,7 @@
 #include <CGAL/Hidden_point_memory_policy.h>
 #include <CGAL/Triangulation_cell_base_3.h>
 
-#include <boost/core/enable_if.hpp>
+#include <boost/utility/enable_if.hpp>
 
 #include <list>