diff --git a/deploy/standard/infra/main.bicep b/deploy/standard/infra/main.bicep
index f88b01bbb0..35b4317b9f 100644
--- a/deploy/standard/infra/main.bicep
+++ b/deploy/standard/infra/main.bicep
@@ -5,6 +5,7 @@ param allowedExternalCidr string
 param authAppRegistrationClientId string
 param authAppRegistrationInstance string
 param authAppRegistrationTenantId string
+param cidrVnet string
 param createDate string = utcNow('u')
 param environmentName string
 param externalNetworkingResourceGroupName string = ''
@@ -140,6 +141,7 @@ module networking 'networking-rg.bicep' = {
   name: 'networking-${timestamp}'
   scope: resourceGroup(resourceGroups.net)
   params: {
+    cidrVnet: cidrVnet
     allowedExternalCidr: allowedExternalCidr
     environmentName: environmentName
     hubResourceGroup: hubResourceGroup
diff --git a/deploy/standard/infra/main.parameters.json b/deploy/standard/infra/main.parameters.json
index 6f54bd7706..4199777654 100644
--- a/deploy/standard/infra/main.parameters.json
+++ b/deploy/standard/infra/main.parameters.json
@@ -17,6 +17,9 @@
       "authAppRegistrationTenantId": {
         "value": "${ENTRA_AUTH_API_TENANT_ID}"
       },
+      "cidrVnet": {
+        "value": "${FLLM_CIDR_VNET=10.220.128.0/20"
+      },
       "environmentName": {
         "value": "${AZURE_ENV_NAME}"
       },