diff --git a/trymcp-day01-image/template.json b/trymcp-day01-image/template.json
index 72ff9e0..aa63016 100644
--- a/trymcp-day01-image/template.json
+++ b/trymcp-day01-image/template.json
@@ -65,6 +65,7 @@
         "FORMULA_VERSION={{ user `formula_version` }}",
         "APT_MIRANTIS_SALT_REPO={{ user `apt_mirantis_salt_repo` }}",
         "BOOTSTRAP_SALTSTACK_COM=file:///opt/bootstrap.saltstack.com.sh",
+        "MCP_VERSION={{ user `mcp_version` }}",
         "PACKER_OFFLINE_BUILD=true"
       ],
       "type": "shell",
@@ -77,10 +78,6 @@
       ]
     },
     {
-      "environment_vars": [
-        "HOME=/root",
-        "MCP_VERSION={{ user `mcp_version` }}"
-      ],
       "type": "shell",
       "pause_before": "10s",
       "scripts": [
@@ -104,7 +101,7 @@
           "8096M"
         ],
         [
-          "-fda",
+          "-cdrom",
           "config-drive/cloudata.iso"
         ],
         [