diff --git a/source/matutils.hpp b/source/matutils.hpp
index df576d9..a586af8 100644
--- a/source/matutils.hpp
+++ b/source/matutils.hpp
@@ -90,7 +90,7 @@ namespace Matutils
 		arma::mat y = xn/(std_mat + 1e-9);
 		std::cout << "mean" << "  : " << std::endl << arma::mean(y, dim) << std::endl;
 		std::cout << "stddev" << ": " << std::endl << arma::stddev(y, 0, dim) << std::endl;
-		return prob(y);
+		return y;
 	}
 
 	inline arma::mat char2vec(char c, size_t len)