diff --git a/ui/src/views/infra/zone/ZoneWizardLaunchZone.vue b/ui/src/views/infra/zone/ZoneWizardLaunchZone.vue
index bf43e4bd5c4..ce8769801cf 100644
--- a/ui/src/views/infra/zone/ZoneWizardLaunchZone.vue
+++ b/ui/src/views/infra/zone/ZoneWizardLaunchZone.vue
@@ -483,6 +483,9 @@ export default {
             } else {
               this.stepData.physicalNetworkReturned = this.stepData.physicalNetworkItem['createPhysicalNetwork' + index]
             }
+            if (physicalNetwork.traffics.findIndex(traffic => traffic.type === 'guest') > -1) {
+              this.stepData.guestPhysicalNetworkId = physicalNetworkReturned.id
+            }
           } catch (e) {
             this.messageError = e
             this.processStatus = STATUS_FAILED
@@ -1181,7 +1184,7 @@ export default {
             }
 
             const updateParams = {}
-            updateParams.id = this.stepData.physicalNetworkReturned.id
+            updateParams.id = this.stepData.guestPhysicalNetworkId
             updateParams.vlan = vlan
 
             try {