packer/kali_rolling_virtualbox.json in pwn-0.4.412 vs packer/kali_rolling_virtualbox.json in pwn-0.4.413

@@ -1,10 +1,10 @@
 {
   "variables": {
     "vagrant_cloud_token": "{{env `VAGRANT_CLOUD_TOKEN`}}",
     "box_version": "{{env `BOX_VERSION`}}",
     "pwn_root": "{{ env 'PWN_ROOT' }}",
-    "pwn_provider": "{{ PWN_PROVIDER=virtualbox }}"
+    "pwn_provider": "{{ env PWN_PROVIDER=virtualbox }}"
   },
   "builders": [{
     "type": "virtualbox-iso",
     "guest_os_type": "Debian_64",
     "vboxmanage": [