diff --git a/zuul.d/jobs.yaml b/zuul.d/jobs.yaml
index 305e5aa..511e3c0 100644
--- a/zuul.d/jobs.yaml
+++ b/zuul.d/jobs.yaml
@@ -580,6 +580,10 @@
       tempest_test_regex: ^octavia_tempest_plugin.tests.scenario.v2
       tox_envlist: all
       devstack_local_conf:
+        post-config:
+            $OCTAVIA_CONF:
+              nova:
+                enable_anti_affinity: True
         test-config:
           "$TEMPEST_CONFIG":
             load_balancer: