diff --git a/tests/regression_tests/source/inputs_true.dat b/tests/regression_tests/source/inputs_true.dat
index 0568b6543..131d20ac1 100644
--- a/tests/regression_tests/source/inputs_true.dat
+++ b/tests/regression_tests/source/inputs_true.dat
@@ -121,6 +121,7 @@
         </dist>
       </pair>
     </energy>
+    <time parameters="2 5" type="uniform" />
   </source>
   <source strength="0.1">
     <space origin="1.0 1.0 0.0" type="cylindrical">
@@ -144,5 +145,6 @@
         </dist>
       </pair>
     </energy>
+    <time parameters="2 5" type="uniform" />
   </source>
 </settings>
diff --git a/tests/regression_tests/source/test.py b/tests/regression_tests/source/test.py
index 41cd25856..31debde47 100644
--- a/tests/regression_tests/source/test.py
+++ b/tests/regression_tests/source/test.py
@@ -65,14 +65,16 @@ class SourceTestHarness(PyAPITestHarness):
         energy3 = openmc.stats.Tabular(E, p, interpolation='histogram')
         energy4 = openmc.stats.Mixture([1, 2, 3], [energy1, energy2, energy3])
 
+        time1 = openmc.stats.Uniform(2, 5)
+
         source1 = openmc.Source(spatial1, angle1, energy1, strength=0.3)
         source2 = openmc.Source(spatial2, angle2, energy2, strength=0.1)
         source3 = openmc.Source(spatial3, angle3, energy3, strength=0.1)
         source4 = openmc.Source(spatial4, angle3, energy3, strength=0.1)
         source5 = openmc.Source(spatial5, angle3, energy3, strength=0.1)
         source6 = openmc.Source(spatial5, angle3, energy4, strength=0.1)
-        source7 = openmc.Source(spatial6, angle3, energy4, strength=0.1)
-        source8 = openmc.Source(spatial7, angle3, energy4, strength=0.1)
+        source7 = openmc.Source(spatial6, angle3, energy4, time1, strength=0.1)
+        source8 = openmc.Source(spatial7, angle3, energy4, time1, strength=0.1)
 
         settings = openmc.Settings()
         settings.batches = 10