diff --git a/vcg/complex/algorithms/clean.h b/vcg/complex/algorithms/clean.h
index eb77faf8..a52c8d75 100644
--- a/vcg/complex/algorithms/clean.h
+++ b/vcg/complex/algorithms/clean.h
@@ -685,6 +685,8 @@ public:
 		UpdateFlags<MeshType>::FaceClearS(m);
 
 		MeshType tmpMesh;
+		tmpMesh.vert.EnableVFAdjacency();
+		tmpMesh.face.EnableVFAdjacency();
 
 		size_t selCnt=0;