diff --git a/shibboleth-appliance.json b/shibboleth-appliance.json
index 6a9556d..12a1b39 100644
--- a/shibboleth-appliance.json
+++ b/shibboleth-appliance.json
@@ -33,8 +33,8 @@
   "builders": [
     {
         "type": "virtualbox-iso",
-        "name": "shibboleth-appliance-centos7-ova",
-        "vm_name": "shibboleth-appliance-centos7-{{user `profile`}}",
+        "name": "{{user `outputfile_name`}}-ova",
+        "vm_name": "{{user `outputfile_name`}}-{{user `profile`}}",
         "headless": true,
         "guest_os_type": "RedHat_64",
         "disk_size": "{{user `disk_size`}}",
@@ -66,9 +66,9 @@
         "guest_os_type": "RedHat",
         "disk_size": "{{user `disk_size`}}",
         "vmx_data": {
-            "cpuid.coresPerSocket": "1",
-            "memsize": "1024",
-            "numvcpus": "1"
+            "cpuid.coresPerSocket": "{{user `cpus`}}",
+            "memsize": "{{user `memory`}}",
+            "numvcpus": "{{user `cpus`}}"
           },
         "iso_url": "http://mirror.vcu.edu/pub/gnu+linux/centos/7/isos/x86_64/CentOS-7-x86_64-Minimal-1511.iso",
         "iso_checksum": "f90e4d28fa377669b2db16cbcb451fcb9a89d2460e3645993e30e137ac37d284",