diff --git a/tests/test_fixed_source/results_true.dat b/tests/test_fixed_source/results_true.dat
index 2ec2d00b8..99eb15e10 100644
--- a/tests/test_fixed_source/results_true.dat
+++ b/tests/test_fixed_source/results_true.dat
@@ -1,3 +1,6 @@
 tally 1:
 4.483337E+02
 2.017057E+04
+leakage:
+9.820000E+00
+9.648000E+00
diff --git a/tests/test_fixed_source/test_fixed_source.py b/tests/test_fixed_source/test_fixed_source.py
index 1f4382c08..e96a3ad8f 100644
--- a/tests/test_fixed_source/test_fixed_source.py
+++ b/tests/test_fixed_source/test_fixed_source.py
@@ -28,6 +28,10 @@ class FixedSourceTestHarness(TestHarness):
                 outstr += '\n'.join(results) + '\n'
                 tally_num += 1
 
+        outstr += 'leakage:\n'
+        outstr += '{0:12.6E}'.format(sp._global_tallies[3][0]) + '\n'
+        outstr += '{0:12.6E}'.format(sp._global_tallies[3][1]) + '\n'
+
         return outstr