diff --git a/vcg/simplex/face/component.h b/vcg/simplex/face/component.h
index cca7b210..ebdc3739 100644
--- a/vcg/simplex/face/component.h
+++ b/vcg/simplex/face/component.h
@@ -613,9 +613,9 @@ face of the ring of faces incident on a edge.
 template <class T> class FFAdj: public T {
 public:
   FFAdj(){
-    _ffp[0]=0;
-    _ffp[1]=0;
-    _ffp[2]=0;
+    _ffp[0]=nullptr; // null == not initialized
+    _ffp[1]=nullptr;
+    _ffp[2]=nullptr;
   }
   typename T::FacePointer &FFp(const int j)        { assert(j>=0 && j<3);  return _ffp[j]; }
   typename T::FacePointer cFFp(const int j) const  { assert(j>=0 && j<3);  return _ffp[j]; }