diff --git a/roles/ovn/vars/main.yml b/roles/ovn/vars/main.yml
index b879919..a24b7e9 100644
--- a/roles/ovn/vars/main.yml
+++ b/roles/ovn/vars/main.yml
@@ -43,6 +43,14 @@
               initialDelaySeconds: 30
               timeoutSeconds: 30
               periodSeconds: 60
+    affinity:
+      anti:
+        type:
+          default: requiredDuringSchedulingIgnoredDuringExecution
+        topologyKey:
+          default: kubernetes.io/hostname
+        weight:
+          default: 10
     replicas:
       ovn_ovsdb_nb: 3
       ovn_ovsdb_sb: 3
diff --git a/roles/ovn/vars_test.go b/roles/ovn/vars_test.go
new file mode 100644
index 0000000..ee4d95b
--- /dev/null
+++ b/roles/ovn/vars_test.go
@@ -0,0 +1,39 @@
+package ovn
+
+import (
+	_ "embed"
+	"os"
+	"testing"
+
+	"github.com/goccy/go-yaml"
+	"github.com/stretchr/testify/require"
+
+	"github.com/vexxhost/atmosphere/internal/openstack_helm"
+	"github.com/vexxhost/atmosphere/internal/testutils"
+)
+
+var (
+	//go:embed vars/main.yml
+	varsFile []byte
+	vars     Vars
+)
+
+type Vars struct {
+	openstack_helm.HelmValues `yaml:"_ovn_helm_values"`
+}
+
+func TestMain(m *testing.M) {
+	t := &testing.T{}
+	err := yaml.UnmarshalWithOptions(varsFile, &vars)
+	require.NoError(t, err)
+
+	code := m.Run()
+	os.Exit(code)
+}
+
+func TestHelmValues(t *testing.T) {
+	vals, err := openstack_helm.CoalescedHelmValues("../../charts/ovn", &vars.HelmValues)
+	require.NoError(t, err)
+
+	testutils.TestAllPodsHaveAntiAffinityType(t, vals)
+}