diff --git a/tests/regression_tests/unstructured_mesh/source_sampling/inputs_true1.dat b/tests/regression_tests/unstructured_mesh/source_sampling/inputs_true1.dat
index dcb56d403..9e22063f1 100644
--- a/tests/regression_tests/unstructured_mesh/source_sampling/inputs_true1.dat
+++ b/tests/regression_tests/unstructured_mesh/source_sampling/inputs_true1.dat
@@ -1144,7 +1144,7 @@
       <parameters>15000000.0 1.0</parameters>
     </energy>
   </source>
-  <mesh id="1" library="libmesh" type="unstructured">
+  <mesh id="1" library="moab" type="unstructured">
     <filename>test_mesh_tets.e</filename>
   </mesh>
 </settings>
diff --git a/tests/regression_tests/unstructured_mesh/source_sampling/test.py b/tests/regression_tests/unstructured_mesh/source_sampling/test.py
index 0188af3f1..e34bf3b75 100644
--- a/tests/regression_tests/unstructured_mesh/source_sampling/test.py
+++ b/tests/regression_tests/unstructured_mesh/source_sampling/test.py
@@ -88,7 +88,7 @@ def test_unstructured_mesh_sampling(model, test_cases):
     if test_cases['library'] == 'libmesh' and not openmc.lib._libmesh_enabled():
         pytest.skip("LibMesh is not enabled in this build.")
 
-    model.settings.source[0].space.mesh.libaray = test_cases['library']
+    model.settings.source[0].space.mesh.library = test_cases['library']
 
     harness = PyAPITestHarness('statepoint.2.h5', model, test_cases['inputs_true'])
     harness.main()