diff --git a/infra/feast-operator/internal/controller/authz/authz.go b/infra/feast-operator/internal/controller/authz/authz.go
index 8596d993899..122e9f69457 100644
--- a/infra/feast-operator/internal/controller/authz/authz.go
+++ b/infra/feast-operator/internal/controller/authz/authz.go
@@ -134,11 +134,11 @@ func (authz *FeastAuthorization) initFeastRoleBinding() *rbacv1.RoleBinding {
 
 func (authz *FeastAuthorization) setFeastRoleBinding(roleBinding *rbacv1.RoleBinding) error {
 	roleBinding.Labels = authz.getLabels()
-	roleBinding.Subjects = append(roleBinding.Subjects, rbacv1.Subject{
+	roleBinding.Subjects = []rbacv1.Subject{{
 		Kind:      rbacv1.ServiceAccountKind,
 		Name:      services.GetFeastName(authz.Handler.FeatureStore),
 		Namespace: authz.Handler.FeatureStore.Namespace,
-	})
+	}}
 	roleBinding.RoleRef = rbacv1.RoleRef{
 		APIGroup: rbacv1.GroupName,
 		Kind:     "Role",