diff --git a/Intersections_3/include/CGAL/Intersections_3/internal/Tetrahedron_3_Bounded_3_do_intersect.h b/Intersections_3/include/CGAL/Intersections_3/internal/Tetrahedron_3_Bounded_3_do_intersect.h
index d61a9afd453..39ac2143812 100644
--- a/Intersections_3/include/CGAL/Intersections_3/internal/Tetrahedron_3_Bounded_3_do_intersect.h
+++ b/Intersections_3/include/CGAL/Intersections_3/internal/Tetrahedron_3_Bounded_3_do_intersect.h
@@ -153,11 +153,11 @@ do_intersect(const typename K::Sphere_3 &sp,
 template <class K>
 inline
 typename K::Boolean
-do_intersect(const typename K::Tetrahedron_3 &tet,
-             const typename K::Tetrahedron_3 &sp,
+do_intersect(const typename K::Tetrahedron_3 &lh_tet,
+             const typename K::Tetrahedron_3 &rh_tet,
              const K & k)
 {
-  return do_intersect_tetrahedron_bounded(sp, tet, tet[0], k);
+  return do_intersect_tetrahedron_bounded(lh_tet, rh_tet, lh_tet[0], k);
 }
 
 // BBox_3 specific code since it is ok for BBox_3 to degenerate.