diff --git a/vcg/simplex/faceplus/base.h b/vcg/simplex/faceplus/base.h
index 9092ad3f..101db319 100644
--- a/vcg/simplex/faceplus/base.h
+++ b/vcg/simplex/faceplus/base.h
@@ -129,7 +129,7 @@ we have to build the type a step a time (deriving from a single ancestor at a ti
 */ 
 template <class BVT, class BET=DumClass, class BFT=DumClass, class BTT=DumClass>
 class FaceBase: public   face::EmptyPolyInfo<
-												 face::EmptyVertexRef<
+						 face::EmptyVertexRef<
                          face::EmptyAdj<
                          face::EmptyColorMarkQuality<
                          face::EmptyNormal<