diff --git a/test/e2e/kube-ovn/ipam/ipam.go b/test/e2e/kube-ovn/ipam/ipam.go
index 2fbc12e480b..8cec8f996fa 100644
--- a/test/e2e/kube-ovn/ipam/ipam.go
+++ b/test/e2e/kube-ovn/ipam/ipam.go
@@ -193,6 +193,11 @@ var _ = framework.Describe("[group:ipam]", func() {
 		ns := framework.MakeNamespace(newNamespaceName, nil, nsAnnotations)
 		nsClient.Create(ns)
 
+		ginkgo.By("Creating subnet " + subnetName)
+		cidr = framework.RandomCIDR(f.ClusterIPFamily)
+		newSubnet := framework.MakeSubnet(subnetName, "", cidr, "", "", "", nil, nil, []string{newNamespaceName})
+		newSubnet = subnetClient.CreateSync(subnet)
+
 		ginkgo.By("Creating deployment " + deployName + " without IPPool")
 		labels := map[string]string{"app": deployName}
 		deploy := framework.MakeDeployment(deployName, int32(replicas), labels, nil, "pause", framework.PauseImage, "")
@@ -207,11 +212,11 @@ var _ = framework.Describe("[group:ipam]", func() {
 		ips := strings.Split(ippool, ippoolSep)
 		for _, pod := range pods.Items {
 			framework.ExpectHaveKeyWithValue(pod.Annotations, util.AllocatedAnnotation, "true")
-			framework.ExpectHaveKeyWithValue(pod.Annotations, util.CidrAnnotation, subnet.Spec.CIDRBlock)
-			framework.ExpectHaveKeyWithValue(pod.Annotations, util.GatewayAnnotation, subnet.Spec.Gateway)
+			framework.ExpectHaveKeyWithValue(pod.Annotations, util.CidrAnnotation, newSubnet.Spec.CIDRBlock)
+			framework.ExpectHaveKeyWithValue(pod.Annotations, util.GatewayAnnotation, newSubnet.Spec.Gateway)
 			framework.ExpectHaveKeyWithValue(pod.Annotations, util.IPPoolAnnotation, ippool)
 			framework.ExpectContainElement(ips, pod.Annotations[util.IPAddressAnnotation])
-			framework.ExpectHaveKeyWithValue(pod.Annotations, util.LogicalSwitchAnnotation, subnet.Name)
+			framework.ExpectHaveKeyWithValue(pod.Annotations, util.LogicalSwitchAnnotation, newSubnet.Name)
 			framework.ExpectMAC(pod.Annotations[util.MacAddressAnnotation])
 			framework.ExpectHaveKeyWithValue(pod.Annotations, util.RoutedAnnotation, "true")