diff --git a/Circular_kernel_3/include/CGAL/Circular_kernel_3/function_objects_polynomial_sphere.h b/Circular_kernel_3/include/CGAL/Circular_kernel_3/function_objects_polynomial_sphere.h
index 31e035ace52..47c0030660a 100644
--- a/Circular_kernel_3/include/CGAL/Circular_kernel_3/function_objects_polynomial_sphere.h
+++ b/Circular_kernel_3/include/CGAL/Circular_kernel_3/function_objects_polynomial_sphere.h
@@ -399,10 +399,10 @@ template < class SK > \
     operator() ( const typename SK::Polynomials_for_circle_3 &eq )
     { return Rep(construct_circle_3<SK>(eq)); }
 
-    qualified_result_type operator() (const Circular_arc_3 & a) const
+    qualified_result_type 
+    operator() (const Circular_arc_3 & a) const
     { return (a.rep().supporting_circle()); }
 
-
   };
 
   template <class SK>