diff --git a/vcg/complex/trimesh/geodesic.h b/vcg/complex/trimesh/geodesic.h
index 6f9bba74..2593720b 100644
--- a/vcg/complex/trimesh/geodesic.h
+++ b/vcg/complex/trimesh/geodesic.h
@@ -125,7 +125,7 @@ class Geo{
 		ScalarType ec_w1 = (w1_c).Norm();
 		ScalarType	alpha,alpha_, beta,beta_,theta,h,delta,s,a,b;
 
-		alpha = acos((w_c*w1_c)/(ew_c*ec_w1));
+		alpha = acos((w_c.dot(w1_c))/(ew_c*ec_w1));
 		s = (d_curr + d_pw1+ec_w1)/2;
 		a = s/ec_w1;
 		b = a*s;
@@ -136,7 +136,7 @@ class Geo{
 			}else
 			{
 				beta_ = 2*acos ( math::Min<ScalarType>(1.0,sqrt(  (b- a* d_curr)/d_pw1)));
-				beta  = acos((w_w1)*(-w1_c)/(ew_w1*ec_w1));
+				beta  = acos((w_w1).dot(-w1_c)/(ew_w1*ec_w1));
 
 				if ( beta+beta_ > M_PI)
 					curr_d = d_pw1  + ew_w1;
diff --git a/vcg/math/eigen.h b/vcg/math/eigen.h
index 1565a43a..b29fa03a 100644
--- a/vcg/math/eigen.h
+++ b/vcg/math/eigen.h
@@ -25,7 +25,7 @@
 #define EIGEN_VCGLIB
 
 // TODO enable the vectorization
-//#define EIGEN_DONT_VECTORIZE
+#define EIGEN_DONT_VECTORIZE
 #define EIGEN_MATRIXBASE_PLUGIN <vcg/math/eigen_matrixbase_addons.h>
 #define EIGEN_MATRIX_PLUGIN <vcg/math/eigen_matrix_addons.h>
 
@@ -286,7 +286,7 @@ inline typename Eigen::ei_traits<Derived1>::Scalar Norm( const Eigen::MatrixBase
 
 template<typename Derived1>
 inline typename Eigen::ei_traits<Derived1>::Scalar SquaredNorm( const Eigen::MatrixBase<Derived1>& p)
-{ return p.norm2(); }
+{ return p.squaredNorm(); }
 
 template<typename Derived1, typename Derived2>
 inline typename Eigen::ei_traits<Derived1>::Scalar
@@ -296,7 +296,7 @@ Distance(const Eigen::MatrixBase<Derived1>& p1, const Eigen::MatrixBase<Derived2
 template<typename Derived1, typename Derived2>
 inline typename Eigen::ei_traits<Derived1>::Scalar
 SquaredDistance(const Eigen::MatrixBase<Derived1>& p1, const Eigen::MatrixBase<Derived2> & p2)
-{ return (p1-p2).norm2(); }
+{ return (p1-p2).squaredNorm(); }
 
 template<typename Derived>
 inline const Eigen::CwiseUnaryOp<Eigen::ei_scalar_abs_op<typename Eigen::ei_traits<Derived>::Scalar>, Derived>
diff --git a/vcg/math/eigen_matrixbase_addons.h b/vcg/math/eigen_matrixbase_addons.h
index 7ea9d023..72453e51 100644
--- a/vcg/math/eigen_matrixbase_addons.h
+++ b/vcg/math/eigen_matrixbase_addons.h
@@ -187,9 +187,6 @@ EIGEN_DEPRECATED void Dump()
 	printf("\n");
 }
 
-// norm2 will be renamed squaredNorm() in Eigen
-// inline Scalar squaredNorm() const { return norm2(); };
-
 /** \deprecated use norm() */
 EIGEN_DEPRECATED inline Scalar Norm() const { return norm(); };
 /** \deprecated use squaredNorm() */