diff --git a/tst/regression/test_suites/advection_outflow/advection_outflow.py b/tst/regression/test_suites/advection_outflow/advection_outflow.py
index b1a37a3a9582..6456544f7dd9 100644
--- a/tst/regression/test_suites/advection_outflow/advection_outflow.py
+++ b/tst/regression/test_suites/advection_outflow/advection_outflow.py
@@ -40,6 +40,7 @@ def Analyse(self, parameters):
 
         delta = compare([
             'outflow.out0.00001.phdf',
-            parameters.parthenon_path + '/tst/regression/gold_standard/outflow.out0.00001.phdf'])
+            parameters.parthenon_path + '/tst/regression/gold_standard/outflow.out0.00001.phdf'],
+            check_metadata=False)
 
         return delta == 0