diff --git a/pungi/phases/image_build.py b/pungi/phases/image_build.py
index cb76c1aa..e1efba32 100644
--- a/pungi/phases/image_build.py
+++ b/pungi/phases/image_build.py
@@ -34,8 +34,8 @@ EXTENSIONS = {
     "rhevm-ova": ["rhevm.ova"],
     "tar-gz": ["tar.gz"],
     "vagrant-hyperv": ["vagrant-hyperv.box"],
-    "vagrant-libvirt": ["vagrant-libvirt.box"],
-    "vagrant-virtualbox": ["vagrant-virtualbox.box"],
+    "vagrant-libvirt": ["vagrant-libvirt.box", "vagrant.libvirt.box"],
+    "vagrant-virtualbox": ["vagrant-virtualbox.box", "vagrant.virtualbox.box"],
     "vagrant-vmware-fusion": ["vagrant-vmware-fusion.box"],
     "vdi": ["vdi"],
     "vmdk": ["vmdk"],