diff --git a/Convex_decomposition_3/include/CGAL/Convex_decomposition_3/Ray_hit_generator.h b/Convex_decomposition_3/include/CGAL/Convex_decomposition_3/Ray_hit_generator.h
index ffc0868e952..2768f43ce72 100644
--- a/Convex_decomposition_3/include/CGAL/Convex_decomposition_3/Ray_hit_generator.h
+++ b/Convex_decomposition_3/include/CGAL/Convex_decomposition_3/Ray_hit_generator.h
@@ -17,6 +17,7 @@
 
 #include <CGAL/Modifier_base.h>
 #include <CGAL/Nef_3/SNC_decorator.h>
+#include <CGAL/Nef_3/SNC_point_locator.h>
 #include <CGAL/Nef_3/SNC_intersection.h>
 #include <CGAL/Convex_decomposition_3/SM_walls.h>