diff --git a/Circular_kernel_2/examples/Circular_kernel_2/example_Lazy_Circular_kernel_arrangement.cpp b/Circular_kernel_2/examples/Circular_kernel_2/example_Lazy_Circular_kernel_arrangement.cpp
index ff309df2d25..ece53288448 100644
--- a/Circular_kernel_2/examples/Circular_kernel_2/example_Lazy_Circular_kernel_arrangement.cpp
+++ b/Circular_kernel_2/examples/Circular_kernel_2/example_Lazy_Circular_kernel_arrangement.cpp
@@ -26,8 +26,8 @@ typedef CGAL::Circular_kernel_2<Linear_k2,Algebraic_k2>      CK2_;
 
 typedef CGAL::Lazy_circular_kernel_2<CK1_,CK2_>                  Circular_k;
 
-typedef Circular_k::Circular_arc_2                            Arc;
-typedef std::vector<Arc>                                    ArcContainer;
+typedef Circular_k::Circular_arc_2                            Arc1;
+typedef std::vector<Arc1>                                    ArcContainer;
 
 typedef CK1_::Circular_arc_2                            Arc2;
 typedef std::vector<Arc2>                                    ArcContainer2;