diff --git a/grouper-appliance.json b/grouper-appliance.json
index 8eaee53..a8b61f8 100644
--- a/grouper-appliance.json
+++ b/grouper-appliance.json
@@ -86,22 +86,24 @@
         "ssh_port": 22,
         "ssh_wait_timeout": "10000s",
         "shutdown_command": "sudo -S shutdown -P now",
-        "output_directory": "output-grouper-vmware-{{user `profile`}}-{{user `timestamper`}}",
+        "output_directory": "output-grouper-vmware-{{user `profile`}}",
         "format": "vmx"
     }
   ],
   "post-processors": [
     {
       "type": "compress",
-      "only": ["grouper-appliance-centos7"],
+      "format": "tar.gz",
+      "only": ["virtualbox-iso"],
       "compression_level": "9",
-      "output": "builds/TIER-{{user `outputfile_name`}}-ova-{{user `timestamper`}}.tar"
+      "output": "builds/TIER-{{user `outputfile_name`}}-ova-{{user `timestamper`}}.tar.gz"
     },
     {
       "type": "compress",
-      "only": ["grouper-appliance-centos7-vmware"],
+      "format": "tar.gz",
+      "only": ["vmware-iso"],
       "compression_level": "9",
-      "output": "builds/TIER-{{user `outputfile_name`}}-vmware-{{user `timestamper`}}.tar"
+      "output": "builds/TIER-{{user `outputfile_name`}}-vmware-{{user `timestamper`}}.tar.gz"
     },
     {
       "type": "amazon-import",