diff --git a/blueprints/apigee/network-patterns/nb-glb-psc-neg-sb-psc-ilbl7-hybrid-neg/apigee_nb.tf b/blueprints/apigee/network-patterns/nb-glb-psc-neg-sb-psc-ilbl7-hybrid-neg/apigee_nb.tf
index f4e7d5ee..bc1035e7 100644
--- a/blueprints/apigee/network-patterns/nb-glb-psc-neg-sb-psc-ilbl7-hybrid-neg/apigee_nb.tf
+++ b/blueprints/apigee/network-patterns/nb-glb-psc-neg-sb-psc-ilbl7-hybrid-neg/apigee_nb.tf
@@ -31,7 +31,7 @@ module "glb" {
     neg-0 = {
       psc = {
         region         = var.region
-        target_service = module.apigee.instances["instance-1"].service_attachment
+        target_service = module.apigee.instances[var.region].service_attachment
         network        = module.apigee_vpc.network.self_link
         subnetwork = (
           module.apigee_vpc.subnets_psc["${var.region}/subnet-psc"].self_link