diff --git a/examples/METISOrderingExample.cpp b/examples/METISOrderingExample.cpp
index 452ba523e..eb6bdd49d 100644
--- a/examples/METISOrderingExample.cpp
+++ b/examples/METISOrderingExample.cpp
@@ -36,11 +36,11 @@ int main(int argc, char** argv) {
   NonlinearFactorGraph graph;
 
   Pose2 priorMean(0.0, 0.0, 0.0); // prior at origin
-  noiseModel::Diagonal::shared_ptr priorNoise = noiseModel::Diagonal::Sigmas((Vector(3) << 0.3, 0.3, 0.1));
+  noiseModel::Diagonal::shared_ptr priorNoise = noiseModel::Diagonal::Sigmas(Vector3(0.3, 0.3, 0.1));
   graph.add(PriorFactor<Pose2>(1, priorMean, priorNoise));
 
   Pose2 odometry(2.0, 0.0, 0.0);
-  noiseModel::Diagonal::shared_ptr odometryNoise = noiseModel::Diagonal::Sigmas((Vector(3) << 0.2, 0.2, 0.1));
+  noiseModel::Diagonal::shared_ptr odometryNoise = noiseModel::Diagonal::Sigmas(Vector3(0.2, 0.2, 0.1));
   graph.add(BetweenFactor<Pose2>(1, 2, odometry, odometryNoise));
   graph.add(BetweenFactor<Pose2>(2, 3, odometry, odometryNoise));
   graph.print("\nFactor Graph:\n"); // print