diff --git a/gtsam/linear/tests/testGaussianBayesNet.cpp b/gtsam/linear/tests/testGaussianBayesNet.cpp
index 3bc5f3371..74f07b92e 100644
--- a/gtsam/linear/tests/testGaussianBayesNet.cpp
+++ b/gtsam/linear/tests/testGaussianBayesNet.cpp
@@ -136,6 +136,15 @@ TEST( GaussianBayesNet, optimize3 )
   EXPECT(assert_equal(expected, actual));
 }
 
+/* ************************************************************************* */
+TEST(GaussianBayesNet, ordering) 
+{
+  Ordering expected;
+  expected += 0, 1;
+  const auto actual = noisyBayesNet.ordering();
+  EXPECT(assert_equal(expected, actual));
+}
+
 /* ************************************************************************* */
 TEST( GaussianBayesNet, backSubstituteTranspose )
 {