diff --git a/Curved_kernel_via_analysis_2/include/CGAL/Curved_kernel_via_analysis_2/Arc_2.h b/Curved_kernel_via_analysis_2/include/CGAL/Curved_kernel_via_analysis_2/Arc_2.h
index 62444875741..0cab2612c2f 100755
--- a/Curved_kernel_via_analysis_2/include/CGAL/Curved_kernel_via_analysis_2/Arc_2.h
+++ b/Curved_kernel_via_analysis_2/include/CGAL/Curved_kernel_via_analysis_2/Arc_2.h
@@ -1787,8 +1787,8 @@ protected:
                 }
                 
             } else {
-                
-                return _ckva()->kernel().lower_boundary_x_2_object()(
+                if (is_finite(CGAL::ARR_MIN_END)) {
+                    return _ckva()->kernel().lower_boundary_x_2_object()(
                             cv_line.xy_coordinate_2(arcno())
                     );
                 } else {