diff --git a/vcg/simplex/edge/pos.h b/vcg/simplex/edge/pos.h
index 7d7d846d..321f0142 100644
--- a/vcg/simplex/edge/pos.h
+++ b/vcg/simplex/edge/pos.h
@@ -285,8 +285,8 @@ public:
 	VEIterator(EdgeType * _e,  const int &  _z){e = _e; z = _z;}
 
 	/// Constructor which takes a pointer to vertex
-	VEIterator(VertexType * _v){
-	  e = _v->VEp(); z = _v->VEi();
+    VEIterator(const VertexType * _v){
+      e = _v->cVEp(); z = _v->cVEi();
 	  assert(z>=0 && "VE adjacency not initialized");
 	}