diff --git a/Tetrahedral_remeshing/include/CGAL/Tetrahedral_remeshing/internal/AABB_trees.h b/Tetrahedral_remeshing/include/CGAL/Tetrahedral_remeshing/internal/AABB_trees.h
index cce9c9429c4..f4b1bcccd80 100644
--- a/Tetrahedral_remeshing/include/CGAL/Tetrahedral_remeshing/internal/AABB_trees.h
+++ b/Tetrahedral_remeshing/include/CGAL/Tetrahedral_remeshing/internal/AABB_trees.h
@@ -13,6 +13,8 @@
 #ifndef CGAL_TETRAHEDRAL_REMESHING_AABB_TREES_H
 #define CGAL_TETRAHEDRAL_REMESHING_AABB_TREES_H
 
+#include <CGAL/license/Tetrahedral_remeshing.h>
+
 #include <CGAL/AABB_tree.h>
 #include <CGAL/AABB_traits_3.h>
 #include <CGAL/AABB_triangle_primitive_3.h>