diff --git a/whitebox_neutron_tempest_plugin/tests/scenario/test_ovn_fdb.py b/whitebox_neutron_tempest_plugin/tests/scenario/test_ovn_fdb.py
index 0ede642..d97be7b 100644
--- a/whitebox_neutron_tempest_plugin/tests/scenario/test_ovn_fdb.py
+++ b/whitebox_neutron_tempest_plugin/tests/scenario/test_ovn_fdb.py
@@ -54,11 +54,13 @@ class OvnFdbAgingTest(wb_base.BaseTempestTestCaseOvn):
         self.set_service_setting(file=wb_utils.get_ml2_conf_file(),
                                  section='ovn',
                                  param='localnet_learn_fdb',
-                                 value='true')
+                                 value='true',
+                                 cfg_change=False)
         self.set_service_setting(file=wb_utils.get_ml2_conf_file(),
                                  section='ovn',
                                  param='fdb_age_threshold',
-                                 value=FDB_AGE_THRESHOLD)
+                                 value=FDB_AGE_THRESHOLD,
+                                 cfg_change=False)
 
         # 2) restart neutron api on all controllers simultaneously
         if not WB_CONF.openstack_type == 'podified':