diff --git a/Packages/Arrangement/include/CGAL/Arrangement_2/Conic_arc_2.h b/Packages/Arrangement/include/CGAL/Arrangement_2/Conic_arc_2.h
index d6c867a535e..48124663216 100644
--- a/Packages/Arrangement/include/CGAL/Arrangement_2/Conic_arc_2.h
+++ b/Packages/Arrangement/include/CGAL/Arrangement_2/Conic_arc_2.h
@@ -1866,9 +1866,9 @@ public:
       typename Kernel::Orientation_2 orient_f = ker.orientation_2_object();
       
       if (_conic.orientation() == 1)
-	return (orient_f(_source, p, _target) == LEFTTURN);
+	return (orient_f(_source, p, _target) == LEFT_TURN);
       else
-	return (orient_f(_source, p, _target) == RIGHTTURN);
+	return (orient_f(_source, p, _target) == RIGHT_TURN);
     }
   }