diff --git a/Min_sphere_of_spheres_d/include/CGAL/Min_sphere_of_spheres_d.h b/Min_sphere_of_spheres_d/include/CGAL/Min_sphere_of_spheres_d.h
index 4a966e90a75..7deeb676fb8 100644
--- a/Min_sphere_of_spheres_d/include/CGAL/Min_sphere_of_spheres_d.h
+++ b/Min_sphere_of_spheres_d/include/CGAL/Min_sphere_of_spheres_d.h
@@ -293,6 +293,6 @@ namespace CGAL_MINIBALL_NAMESPACE {
 #endif
 
 #include <CGAL/Min_sphere_of_spheres_d/Min_sphere_of_spheres_d_impl.h>
-#include <CGAL/Min_sphere_of_spheres_d/Min_sphere_of_spheres_d_pivot.C>
+#include <CGAL/Min_sphere_of_spheres_d/Min_sphere_of_spheres_d_pivot_impl.h>
 
 #endif // CGAL_MINIBALL_MINIBALL
diff --git a/Min_sphere_of_spheres_d/include/CGAL/Min_sphere_of_spheres_d/Min_sphere_of_spheres_d_pivot.C b/Min_sphere_of_spheres_d/include/CGAL/Min_sphere_of_spheres_d/Min_sphere_of_spheres_d_pivot_impl.h
similarity index 100%
rename from Min_sphere_of_spheres_d/include/CGAL/Min_sphere_of_spheres_d/Min_sphere_of_spheres_d_pivot.C
rename to Min_sphere_of_spheres_d/include/CGAL/Min_sphere_of_spheres_d/Min_sphere_of_spheres_d_pivot_impl.h