diff --git a/Periodic_3_triangulation_3/include/CGAL/Periodic_3_regular_triangulation_3.h b/Periodic_3_triangulation_3/include/CGAL/Periodic_3_regular_triangulation_3.h
index ea0277a4d5b..67c3c0c39e7 100644
--- a/Periodic_3_triangulation_3/include/CGAL/Periodic_3_regular_triangulation_3.h
+++ b/Periodic_3_triangulation_3/include/CGAL/Periodic_3_regular_triangulation_3.h
@@ -827,9 +827,9 @@ public:
       int i1 = cc->index(v1);
       int i2 = cc->index(v2);
       int i3 = fcirc->second;
-      Offset off1 = int_to_off(cc->offset(i1));
-      Offset off2 = int_to_off(cc->offset(i2));
-      Offset off3 = int_to_off(cc->offset(i3));
+      Offset off1 = get_offset(cc, i1);
+      Offset off2 = get_offset(cc, i2);
+      Offset off3 = get_offset(cc, i3);
       if(side_of_bounded_power_sphere(v1->point(), v2->point(), cc->vertex(i3)->point(),
                                       off1, off2, off3) == ON_BOUNDED_SIDE)
         return false;