diff --git a/Source/Rbm.cpp b/Source/Rbm.cpp
index 1e7a801..7858895 100644
--- a/Source/Rbm.cpp
+++ b/Source/Rbm.cpp
@@ -86,7 +86,7 @@ RowVectorXd Rbm::probsLogistic(RowVectorXd const &src)
 
 MatrixXd Rbm::normalizeData(MatrixXd const &src)
 {
-#if 0
+#if 1
 	double mean = src.array().mean();
 	cout << "mean" << ": " << endl << mean << endl;