diff --git a/scenarios/adoption/hci.yml b/scenarios/adoption/hci.yml
index 83af8e2ecf..7c618f7a95 100644
--- a/scenarios/adoption/hci.yml
+++ b/scenarios/adoption/hci.yml
@@ -59,7 +59,7 @@ libvirt_manager_patch_layout:
 networking_mapper_definition_patch:
   networks:
     external:
-      network: "172.21.0.0/24"
+      network: "10.0.0.0/24"
       vlan: 44
       mtu: 1496
   group-templates: