diff --git a/tests/regression_tests/filter_translations/inputs_true.dat b/tests/regression_tests/filter_translations/inputs_true.dat
index 14481f804a..d38bec39f1 100644
--- a/tests/regression_tests/filter_translations/inputs_true.dat
+++ b/tests/regression_tests/filter_translations/inputs_true.dat
@@ -35,8 +35,8 @@
 <tallies>
   <mesh id="1">
     <dimension>3 4 5</dimension>
-    <lower_left>-19 -4 -9</lower_left>
-    <upper_right>-1 14 9</upper_right>
+    <lower_left>-9 -9 -9</lower_left>
+    <upper_right>9 9 9</upper_right>
   </mesh>
   <mesh id="2" type="rectilinear">
     <x_grid>-9.0 0.0 9.0</x_grid>
diff --git a/tests/regression_tests/filter_translations/results_true.dat b/tests/regression_tests/filter_translations/results_true.dat
index 6782ab2aa2..e9813b183e 100644
--- a/tests/regression_tests/filter_translations/results_true.dat
+++ b/tests/regression_tests/filter_translations/results_true.dat
@@ -1,126 +1,126 @@
 k-combined:
 7.656044E-01 5.168921E-02
 tally 1:
-0.000000E+00
-0.000000E+00
-2.220139E-02
-1.051536E-04
-2.437996E-01
-1.218585E-02
-0.000000E+00
-0.000000E+00
-2.076286E-02
-9.030648E-05
-2.355202E-01
-1.163053E-02
-0.000000E+00
-0.000000E+00
-2.087721E-02
-9.001706E-05
-4.525189E-02
-4.184578E-04
-0.000000E+00
-0.000000E+00
-2.481968E-03
-1.491717E-06
-4.714053E-03
-4.644899E-06
-0.000000E+00
-0.000000E+00
-2.998461E-02
-1.842671E-04
-3.718895E-01
-2.778255E-02
-0.000000E+00
-0.000000E+00
-2.936209E-02
-1.744066E-04
-3.714258E-01
-2.764128E-02
-0.000000E+00
-0.000000E+00
-2.430409E-02
-1.220833E-04
-5.554247E-02
-6.252448E-04
-0.000000E+00
-0.000000E+00
-3.277097E-03
-2.289856E-06
-5.878108E-03
-7.064854E-06
-0.000000E+00
-0.000000E+00
-3.732383E-02
-2.872115E-04
-5.140728E-01
-5.776753E-02
-0.000000E+00
-0.000000E+00
-2.888862E-02
-1.727185E-04
-3.995844E-01
-3.239513E-02
-0.000000E+00
-0.000000E+00
-2.245006E-02
-1.063493E-04
-6.012618E-02
-7.350842E-04
-0.000000E+00
-0.000000E+00
-2.364876E-03
-1.151142E-06
-6.103232E-03
-8.126910E-06
-0.000000E+00
-0.000000E+00
-3.151201E-02
-2.108865E-04
-3.437759E-01
-2.398626E-02
-0.000000E+00
-0.000000E+00
-2.757290E-02
-1.564838E-04
-3.374672E-01
-2.299073E-02
-0.000000E+00
-0.000000E+00
-2.008679E-02
-8.306765E-05
-5.170394E-02
-5.380731E-04
-0.000000E+00
-0.000000E+00
-1.931921E-03
-1.005318E-06
-5.262659E-03
-5.860208E-06
-0.000000E+00
-0.000000E+00
-2.095824E-02
-8.922951E-05
-2.186066E-01
-1.004483E-02
-0.000000E+00
-0.000000E+00
-2.494169E-02
-1.252761E-04
-2.315602E-01
-1.119928E-02
-0.000000E+00
-0.000000E+00
-1.851532E-02
-6.983649E-05
-4.501001E-02
-4.136072E-04
-0.000000E+00
-0.000000E+00
-2.221694E-03
-1.048753E-06
-5.820195E-03
-7.008120E-06
+4.195134E-02
+3.639654E-04
+7.345058E-02
+1.082591E-03
+5.325577E-02
+5.772001E-04
+1.390109E-01
+3.954675E-03
+3.829062E-01
+3.001419E-02
+1.408217E-01
+4.113283E-03
+1.412139E-01
+4.218445E-03
+3.567122E-01
+2.663446E-02
+1.393013E-01
+3.978946E-03
+5.117767E-02
+5.394412E-04
+8.111129E-02
+1.362452E-03
+5.594852E-02
+6.333549E-04
+6.298061E-02
+8.073054E-04
+9.082908E-02
+1.668351E-03
+6.783427E-02
+9.250122E-04
+1.999222E-01
+8.028088E-03
+5.909662E-01
+7.061368E-02
+1.896895E-01
+7.242074E-03
+1.877543E-01
+7.145844E-03
+6.189100E-01
+7.667032E-02
+1.847604E-01
+6.905108E-03
+6.017074E-02
+7.311068E-04
+1.109867E-01
+2.474797E-03
+7.322493E-02
+1.112742E-03
+6.859899E-02
+9.576740E-04
+1.062208E-01
+2.360724E-03
+6.762553E-02
+9.247454E-04
+2.367276E-01
+1.130443E-02
+9.674870E-01
+2.606562E-01
+2.113618E-01
+8.988266E-03
+2.079097E-01
+8.765092E-03
+9.535566E-01
+2.216359E-01
+2.131094E-01
+9.143533E-03
+6.644946E-02
+9.024189E-04
+1.064224E-01
+2.284439E-03
+8.143154E-02
+1.362849E-03
+6.209959E-02
+7.875797E-04
+9.702493E-02
+1.902685E-03
+6.416842E-02
+8.369934E-04
+1.727520E-01
+6.027045E-03
+5.966710E-01
+7.197863E-02
+1.889340E-01
+7.213441E-03
+1.914452E-01
+7.420265E-03
+5.726219E-01
+6.723631E-02
+1.646287E-01
+5.489910E-03
+5.663491E-02
+6.494568E-04
+9.923269E-02
+2.053123E-03
+6.809958E-02
+9.386140E-04
+4.850339E-02
+4.856214E-04
+8.169408E-02
+1.354206E-03
+5.474566E-02
+6.128204E-04
+1.208954E-01
+3.074917E-03
+3.393101E-01
+2.398955E-02
+1.358915E-01
+3.758521E-03
+1.347810E-01
+3.718991E-03
+3.404279E-01
+2.380238E-02
+1.315829E-01
+3.585161E-03
+4.754269E-02
+4.593490E-04
+7.591439E-02
+1.170776E-03
+5.121227E-02
+5.346435E-04
 tally 2:
 2.194240E-01
 9.811952E-03
diff --git a/tests/regression_tests/filter_translations/test.py b/tests/regression_tests/filter_translations/test.py
index cbb1b2ec0e..d61667b014 100644
--- a/tests/regression_tests/filter_translations/test.py
+++ b/tests/regression_tests/filter_translations/test.py
@@ -55,8 +55,8 @@ def model():
 
     filters.append(openmc.MeshFilter(recti_mesh))
 
-    llc -= translation
-    urc -= translation
+    llc = np.array(llc - translation)
+    urc = np.array(urc - translation)
 
     # translated meshes
     translated_reg_mesh = openmc.RegularMesh()