diff --git a/doc/snippets/MatrixBase_diagonalView.cpp b/doc/snippets/MatrixBase_diagonalView.cpp
index 1b2ca5966..4fbf7196b 100644
--- a/doc/snippets/MatrixBase_diagonalView.cpp
+++ b/doc/snippets/MatrixBase_diagonalView.cpp
@@ -1,5 +1,5 @@
-Matrix3d mat3;
-mat3 << 1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8, 9.9;
+Matrix3d m;
+m << 1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8, 9.9;
 cout << "Here's the matrix m:" << endl << m << endl;
-cout << "m.diagonal().asDiagonal() returns: " << m.diagonal().asDiagonal() << endl;
-cout << "m.diagonalView() returns: " << m.diagonalView() << endl;
+cout << "m.diagonal().asDiagonal() returns: " << endl << m.diagonal().asDiagonal() << endl;
+cout << "m.diagonalView() returns: " << endl << m.diagonalView() << endl;