diff --git a/Triangulation/include/CGAL/Regular_triangulation.h b/Triangulation/include/CGAL/Regular_triangulation.h
index a70cc908131..02efd84268c 100644
--- a/Triangulation/include/CGAL/Regular_triangulation.h
+++ b/Triangulation/include/CGAL/Regular_triangulation.h
@@ -828,7 +828,7 @@ Regular_triangulation<RTTraits, TDS>
       typename RTTraits::Point_weight_d pw =
         geom_traits().point_weight_d_object();
       
-      if (pw(p) = pw(v->point()))
+      if (pw(p) == pw(v->point()))
         return v;
       // If dim == 0 and the new point has a bigger weight, 
       // we replace the point