diff --git a/tests/regression_tests/dagmc_py/inputs_true.dat b/tests/regression_tests/dagmc_py/inputs_true.dat
index 2fa32eb424..62a5cedbec 100644
--- a/tests/regression_tests/dagmc_py/inputs_true.dat
+++ b/tests/regression_tests/dagmc_py/inputs_true.dat
@@ -1,152 +1,5 @@
 <?xml version='1.0' encoding='utf-8'?>
-<geometry>
-  <cell fill="200" id="1" region="-6 34 -35" universe="0" />
-  <cell fill="201" id="2" region="-6 35 -36" universe="0" />
-  <cell id="3" material="8" region="-7 31 -32" universe="0" />
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-  <cell id="5" material="12" region="-5 33 -34" universe="0" />
-  <cell id="6" material="11" region="-5 36 -37" universe="0" />
-  <cell id="7" material="10" region="-5 37 -38" universe="0" />
-  <cell id="8" material="7" region="-7 38 -39" universe="0" />
-  <cell id="9" material="9" region="6 -7 32 -38" universe="0" />
-  <cell id="10" material="5" region="7 -8 31 -39" universe="0" />
-  <cell id="11" material="6" region="5 -6 32 -34" universe="0" />
-  <cell id="12" material="7" region="5 -6 36 -38" universe="0" />
-  <cell id="21" material="1" region="-1" universe="1" />
-  <cell id="22" material="2" region="1 -2" universe="1" />
-  <cell id="23" material="3" region="2" universe="1" />
-  <cell id="24" material="3" region="-3" universe="2" />
-  <cell id="25" material="2" region="3 -4" universe="2" />
-  <cell id="26" material="3" region="4" universe="2" />
-  <cell id="27" material="1" region="-1" universe="3" />
-  <cell id="28" material="2" region="1 -2" universe="3" />
-  <cell id="29" material="4" region="2" universe="3" />
-  <cell id="30" material="4" region="-3" universe="4" />
-  <cell id="31" material="2" region="3 -4" universe="4" />
-  <cell id="32" material="4" region="4" universe="4" />
-  <cell id="50" material="3" region="34 -35" universe="5" />
-  <cell fill="100" id="60" region="34 -35" universe="6" />
-  <cell id="70" material="4" region="35 -36" universe="7" />
-  <cell fill="101" id="80" region="35 -36" universe="8" />
-  <lattice id="100" name="Fuel assembly (lower half)">
-    <pitch>1.26 1.26</pitch>
-    <dimension>17 17</dimension>
-    <lower_left>-10.71 -10.71</lower_left>
-    <universes>
-1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 
-1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 
-1 1 1 1 1 2 1 1 2 1 1 2 1 1 1 1 1 
-1 1 1 2 1 1 1 1 1 1 1 1 1 2 1 1 1 
-1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 
-1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 1 1 
-1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 
-1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 
-1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 1 1 
-1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 
-1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 
-1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 1 1 
-1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 
-1 1 1 2 1 1 1 1 1 1 1 1 1 2 1 1 1 
-1 1 1 1 1 2 1 1 2 1 1 2 1 1 1 1 1 
-1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 
-1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 </universes>
-  </lattice>
-  <lattice id="101" name="Fuel assembly (upper half)">
-    <pitch>1.26 1.26</pitch>
-    <dimension>17 17</dimension>
-    <lower_left>-10.71 -10.71</lower_left>
-    <universes>
-3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 
-3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 
-3 3 3 3 3 4 3 3 4 3 3 4 3 3 3 3 3 
-3 3 3 4 3 3 3 3 3 3 3 3 3 4 3 3 3 
-3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 
-3 3 4 3 3 4 3 3 4 3 3 4 3 3 4 3 3 
-3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 
-3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 
-3 3 4 3 3 4 3 3 4 3 3 4 3 3 4 3 3 
-3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 
-3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 
-3 3 4 3 3 4 3 3 4 3 3 4 3 3 4 3 3 
-3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 
-3 3 3 4 3 3 3 3 3 3 3 3 3 4 3 3 3 
-3 3 3 3 3 4 3 3 4 3 3 4 3 3 3 3 3 
-3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 
-3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 </universes>
-  </lattice>
-  <lattice id="200" name="Core lattice (lower half)">
-    <pitch>21.42 21.42</pitch>
-    <dimension>21 21</dimension>
-    <lower_left>-224.91 -224.91</lower_left>
-    <universes>
-5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 
-5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 
-5 5 5 5 5 5 5 6 6 6 6 6 6 6 5 5 5 5 5 5 5 
-5 5 5 5 5 6 6 6 6 6 6 6 6 6 6 6 5 5 5 5 5 
-5 5 5 5 6 6 6 6 6 6 6 6 6 6 6 6 6 5 5 5 5 
-5 5 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 5 5 5 
-5 5 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 5 5 5 
-5 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 5 5 
-5 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 5 5 
-5 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 5 5 
-5 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 5 5 
-5 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 5 5 
-5 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 5 5 
-5 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 5 5 
-5 5 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 5 5 5 
-5 5 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 5 5 5 
-5 5 5 5 6 6 6 6 6 6 6 6 6 6 6 6 6 5 5 5 5 
-5 5 5 5 5 6 6 6 6 6 6 6 6 6 6 6 5 5 5 5 5 
-5 5 5 5 5 5 5 6 6 6 6 6 6 6 5 5 5 5 5 5 5 
-5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 
-5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 </universes>
-  </lattice>
-  <lattice id="201" name="Core lattice (lower half)">
-    <pitch>21.42 21.42</pitch>
-    <dimension>21 21</dimension>
-    <lower_left>-224.91 -224.91</lower_left>
-    <universes>
-7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 
-7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 
-7 7 7 7 7 7 7 8 8 8 8 8 8 8 7 7 7 7 7 7 7 
-7 7 7 7 7 8 8 8 8 8 8 8 8 8 8 8 7 7 7 7 7 
-7 7 7 7 8 8 8 8 8 8 8 8 8 8 8 8 8 7 7 7 7 
-7 7 7 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 7 7 7 
-7 7 7 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 7 7 7 
-7 7 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 7 7 
-7 7 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 7 7 
-7 7 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 7 7 
-7 7 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 7 7 
-7 7 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 7 7 
-7 7 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 7 7 
-7 7 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 7 7 
-7 7 7 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 7 7 7 
-7 7 7 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 7 7 7 
-7 7 7 7 8 8 8 8 8 8 8 8 8 8 8 8 8 7 7 7 7 
-7 7 7 7 7 8 8 8 8 8 8 8 8 8 8 8 7 7 7 7 7 
-7 7 7 7 7 7 7 8 8 8 8 8 8 8 7 7 7 7 7 7 7 
-7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 
-7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 </universes>
-  </lattice>
-  <surface coeffs="0.0 0.0 0.41" id="1" type="z-cylinder" />
-  <surface coeffs="0.0 0.0 0.475" id="2" type="z-cylinder" />
-  <surface coeffs="0.0 0.0 0.56" id="3" type="z-cylinder" />
-  <surface coeffs="0.0 0.0 0.62" id="4" type="z-cylinder" />
-  <surface coeffs="0.0 0.0 187.6" id="5" type="z-cylinder" />
-  <surface coeffs="0.0 0.0 209.0" id="6" type="z-cylinder" />
-  <surface coeffs="0.0 0.0 229.0" id="7" type="z-cylinder" />
-  <surface boundary="vacuum" coeffs="0.0 0.0 249.0" id="8" type="z-cylinder" />
-  <surface boundary="vacuum" coeffs="-229.0" id="31" type="z-plane" />
-  <surface coeffs="-199.0" id="32" type="z-plane" />
-  <surface coeffs="-193.0" id="33" type="z-plane" />
-  <surface coeffs="-183.0" id="34" type="z-plane" />
-  <surface coeffs="0.0" id="35" type="z-plane" />
-  <surface coeffs="183.0" id="36" type="z-plane" />
-  <surface coeffs="203.0" id="37" type="z-plane" />
-  <surface coeffs="215.0" id="38" type="z-plane" />
-  <surface boundary="vacuum" coeffs="223.0" id="39" type="z-plane" />
-</geometry>
-<?xml version='1.0' encoding='utf-8'?>
+<geometry /><?xml version='1.0' encoding='utf-8'?>
 <materials>
   <material depletable="true" id="40">
     <density units="g/cc" value="11" />
diff --git a/tests/regression_tests/dagmc_py/test.py b/tests/regression_tests/dagmc_py/test.py
index cf9c7c1e33..1314800e20 100644
--- a/tests/regression_tests/dagmc_py/test.py
+++ b/tests/regression_tests/dagmc_py/test.py
@@ -10,8 +10,7 @@ pytestmark = pytest.mark.skipif(
     reason="DAGMC CAD geometry is not enabled.")
 
 def test_dagmc():
-    harness = HashedPyAPITestHarness('statepoint.5.h5')
-    model = harness._model
+    model = openmc.model.Model()
 
     # settings
     model.settings.batches = 5
@@ -24,6 +23,9 @@ def test_dagmc():
 
     model.settings.dagmc = True
 
+    root = openmc.Universe(universe_id=0, name='root universe')
+    model.geometry = openmc.geometry.Geometry(root)
+    
     # tally
     tally = openmc.Tally()
     tally.scores = ['total']
@@ -46,4 +48,5 @@ def test_dagmc():
     mats = openmc.Materials([u235, water])
     model.materials = mats
 
+    harness = HashedPyAPITestHarness('statepoint.5.h5', model=model)
     harness.main()