diff --git a/trymcp-day01-image/template.json b/trymcp-day01-image/template.json
index 6660adb..aba2b31 100644
--- a/trymcp-day01-image/template.json
+++ b/trymcp-day01-image/template.json
@@ -102,17 +102,17 @@
           "4"
         ]
       ],
-      "vm_name": "{{ user `image_name` }}-{{ isotime \"200601021504\"  }}",
+      "vm_name": "{{ user `image_name` }}-{{ isotime \"200601021504\"  }}.qcow2",
       "output_directory": "images/{{ user `image_name` }}-qemu-{{ isotime \"200601021504\"  }}",
-      "format": "qcow2",
       "disk_compression": true,
+      "disk_size": "{{ user `disk_size`}}",
+      "format": "qcow2",
       "iso_checksum": "566efef1d6f12e7d3a994c2405bdb642",
       "iso_checksum_type": "md5",
       "iso_url": "http://cloud-images.ubuntu.com/releases/xenial/release-20180306/ubuntu-16.04-server-cloudimg-amd64-disk1.img",
       "iso_target_path": "{{ user `images_cache`}}/release-20180306_xenial-server-cloudimg-amd64-disk1.img",
       "disk_image": true,
       "accelerator": "kvm",
-      "disk_size": "{{ user `disk_size`}}",
       "headless": true,
       "ssh_username": "{{user `user`}}",
       "ssh_password": "{{user `password`}}",
@@ -123,4 +123,4 @@
       "ssh_wait_timeout": "360s"
     }
   ]
-}
\ No newline at end of file
+}