diff --git a/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/internal/Corefinement/intersection_impl.h b/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/internal/Corefinement/intersection_impl.h
index ebc746ecdb0..7f7a94e26a2 100644
--- a/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/internal/Corefinement/intersection_impl.h
+++ b/Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/internal/Corefinement/intersection_impl.h
@@ -1584,7 +1584,7 @@ public:
     const TriangleMesh& tm2=nodes.tm2;
     const VertexPointMap1& vpm1=nodes.vpm1;
     const VertexPointMap2& vpm2=nodes.vpm2;
-    
+
     // used only if throw_on_self_intersection == true
     std::set<face_descriptor> tm1_faces;
     std::set<face_descriptor> tm2_faces;