diff --git a/tests/unit/test_mongodb_helpers.py b/tests/unit/test_mongodb_helpers.py
index d64557a12..fa4ecf172 100644
--- a/tests/unit/test_mongodb_helpers.py
+++ b/tests/unit/test_mongodb_helpers.py
@@ -14,6 +14,10 @@ def test_get_mongod_args(self):
             "--replSet=my_repl_set",
             "--dbpath=/var/snap/charmed-mongodb/common/var/lib/mongodb",
             "--port=27017",
+            "--auditDestination",
+            "file",
+            "--auditFormat=JSON",
+            "--auditPath=/var/snap/charmed-mongodb/common/var/lib/mongodb/audit.json",
             "--auth",
             "--clusterAuthMode=keyFile",
             "--keyFile=/var/snap/charmed-mongodb/current/etc/mongod/keyFile",
@@ -36,6 +40,10 @@ def test_get_mongod_args(self):
             "--replSet=my_repl_set",
             "--dbpath=/var/snap/charmed-mongodb/common/var/lib/mongodb",
             "--port=27017",
+            "--auditDestination",
+            "file",
+            "--auditFormat=JSON",
+            "--auditPath=/var/snap/charmed-mongodb/common/var/lib/mongodb/audit.json",
         ]
 
         self.assertEqual(
@@ -50,6 +58,10 @@ def test_get_mongod_args(self):
             "--replSet=my_repl_set",
             "--dbpath=/var/lib/mongodb",
             "--port=27017",
+            "--auditDestination",
+            "file",
+            "--auditFormat=JSON",
+            "--auditPath=/var/lib/mongodb/audit.json",
             "--logpath=/var/lib/mongodb/mongodb.log",
         ]