diff --git a/tests/testNonlinearOptimizer.cpp b/tests/testNonlinearOptimizer.cpp
index a61b709d0..eb7585420 100644
--- a/tests/testNonlinearOptimizer.cpp
+++ b/tests/testNonlinearOptimizer.cpp
@@ -175,7 +175,7 @@ TEST( NonlinearOptimizer, Factorization )
 	config.insert(X(2), Pose2(1.5,0.,0.));
 
 	pose2SLAM::Graph graph;
-	graph.addPrior(X(1), Pose2(0.,0.,0.), noiseModel::Isotropic::Sigma(3, 1e-10));
+	graph.addPosePrior(X(1), Pose2(0.,0.,0.), noiseModel::Isotropic::Sigma(3, 1e-10));
 	graph.addRelativePose(X(1),X(2), Pose2(1.,0.,0.), noiseModel::Isotropic::Sigma(3, 1));
 
 	Ordering ordering;