diff --git a/SimpleTests/MatrixTests/MatMult.cpp b/SimpleTests/MatrixTests/MatMult.cpp
index 6266c0365f2048345493b7d7e466fb38bbdb8121..c134f67459a5ab544a953f1d3520b1d96414e5ff 100644
--- a/SimpleTests/MatrixTests/MatMult.cpp
+++ b/SimpleTests/MatrixTests/MatMult.cpp
@@ -58,8 +58,10 @@ int main(int argc, char *argv[])
 
 #ifdef _OPENMP
 	MathLib::CRSMatrixOpenMP<double, unsigned> mat (n, iA, jA, A, n_threads);
+	std::cout << "OpenMP matrix class used" << std::endl;
 #else
 	MathLib::CRSMatrix<double, unsigned> mat (n, iA, jA, A);
+	std::cout << "matrix class without OpenMP used" << std::endl;
 #endif
 //	CRSMatrixPThreads<double> mat (n, iA, jA, A, n_threads);
 	std::cout << mat.getNRows() << " x " << mat.getNCols() << std::endl;
diff --git a/SimpleTests/MatrixTests/MatVecMultPerm.cpp b/SimpleTests/MatrixTests/MatVecMultPerm.cpp
index b41d0fb108c8d891673350ccef0d33d341342180..6de31351feca6d0d76a273eb2f976d642e3d7e42 100644
--- a/SimpleTests/MatrixTests/MatVecMultPerm.cpp
+++ b/SimpleTests/MatrixTests/MatVecMultPerm.cpp
@@ -131,8 +131,8 @@ int main(int argc, char *argv[])
 		std::cout << "done [" << cpu_timer.elapsed() << " sec cpu time], ["
 				<< run_timer.elapsed() << " sec run time]" << std::endl;
 	} else {
-		if (argc == 5) {
-			std::ofstream result_os (argv[4], std::ios::app);
+		if (argc == 4) {
+			std::ofstream result_os (argv[3], std::ios::app);
 			if (result_os) {
 				result_os << cpu_timer.elapsed() << "\t" << run_timer.elapsed() << std::endl;
 			}