diff --git a/Orthtree/include/CGAL/Orthtree/Nearest_neighbors.h b/Orthtree/include/CGAL/Orthtree/Nearest_neighbors.h
index c8c12ea9bb2..190a49fd70f 100644
--- a/Orthtree/include/CGAL/Orthtree/Nearest_neighbors.h
+++ b/Orthtree/include/CGAL/Orthtree/Nearest_neighbors.h
@@ -5,7 +5,7 @@
 //
 // $URL$
 // $Id$
-// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
+// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
 //
 // Author(s)     : Jackson Campolattaro