diff --git a/vcg/complex/algorithms/bitquad_support.h b/vcg/complex/algorithms/bitquad_support.h
index 9a0f3837..a4dd9e5e 100644
--- a/vcg/complex/algorithms/bitquad_support.h
+++ b/vcg/complex/algorithms/bitquad_support.h
@@ -70,7 +70,7 @@ public:
   typedef typename VertexType::ScalarType ScalarType;
   static void Apply( const VertexType &a,  const VertexType &b, ScalarType t, VertexType &res){
     /*assert (&a != &b);*/
-    res.P() = a.P()*(1-t) + b.P()*(t);
+    res.P() = a.cP()*(1-t) + b.cP()*(t);
     if (a.IsB()||b.IsB()) res.SetB();
   }
 };
@@ -639,7 +639,7 @@ static bool IsSingletFF(const FaceType& f, int wedge){
 
 // version that uses vertex valency
 static bool IsSinglet(const FaceType& f, int wedge){
-  return (GetValency( f.V(wedge) ) == 1) && (!f.V(wedge)->IsB() ) ;
+  return (GetValency( f.cV(wedge) ) == 1) && (!f.cV(wedge)->IsB() ) ;
 }
 
 static bool CollapseEdgeDirect(FaceType &f, int w0, MeshType& m){
diff --git a/vcg/complex/algorithms/clip.h b/vcg/complex/algorithms/clip.h
index ef3f2347..8741eb69 100644
--- a/vcg/complex/algorithms/clip.h
+++ b/vcg/complex/algorithms/clip.h
@@ -65,7 +65,7 @@ namespace tri
     inline void operator () (const VertexType & v0, const VertexType & v1, const VertexType & v2, const ScalarType & a, const ScalarType & b, VertexType & r) const
     {
       // position
-      r.P() = v0.P() + (v1.P() - v0.P()) * a + (v2.P() - v0.P()) * b;
+      r.P() = v0.cP() + (v1.cP() - v0.cP()) * a + (v2.cP() - v0.cP()) * b;
 
       // normal
       if (tri::HasPerVertexNormal(m))
diff --git a/vcg/simplex/vertex/base.h b/vcg/simplex/vertex/base.h
index 14a29474..ea85af2f 100644
--- a/vcg/simplex/vertex/base.h
+++ b/vcg/simplex/vertex/base.h
@@ -146,7 +146,7 @@ public:
 
  template<class BoxType>
   void GetBBox( BoxType & bb ) const
-  {	  bb.Set(this->P());  }
+  {	  bb.Set(this->cP());  }
 
           };