diff --git a/roles/network_plugin/kube-ovn/templates/cni-ovn.yml.j2 b/roles/network_plugin/kube-ovn/templates/cni-ovn.yml.j2
index d2dc9f4e5..ec9afc9a2 100644
--- a/roles/network_plugin/kube-ovn/templates/cni-ovn.yml.j2
+++ b/roles/network_plugin/kube-ovn/templates/cni-ovn.yml.j2
@@ -369,7 +369,7 @@ spec:
                   fieldPath: status.podIP
 {% if not kube_ovn_dpdk_enabled %}
             - name: HW_OFFLOAD
-              value: "{{ kube_ovn_hw_offload }}"
+              value: "{{ kube_ovn_hw_offload | string | lower }}"
             - name: TUNNEL_TYPE
               value: "{{ kube_ovn_tunnel_type }}"
 {% endif %}