diff --git a/classes/cluster/mcp-offline/infra/apt01_dummy.yml b/classes/cluster/mcp-offline/infra/apt01_dummy.yml
index 4f2e4a2..20ad2e9 100644
--- a/classes/cluster/mcp-offline/infra/apt01_dummy.yml
+++ b/classes/cluster/mcp-offline/infra/apt01_dummy.yml
@@ -22,7 +22,7 @@
     # Don't set it "false" before you configure sudo policies and enable power users.
     # linux_system_user_sudo: true
     mcp_version: "2019.2.0"
-    tagged_mcp_version: "2019.2.6"
+    mcp_tagged_version: "2019.2.6"
 #    mcp_version: "proposed"
     aptly_server_hostname: apt
     aptly_server_address: 127.0.0.1