diff --git a/pungi/phases/image_build.py b/pungi/phases/image_build.py
index e1efba32..c5b98606 100644
--- a/pungi/phases/image_build.py
+++ b/pungi/phases/image_build.py
@@ -39,7 +39,7 @@ EXTENSIONS = {
     "vagrant-vmware-fusion": ["vagrant-vmware-fusion.box"],
     "vdi": ["vdi"],
     "vmdk": ["vmdk"],
-    "vpc": ["vhd"],
+    "vpc": ["vhd", "vhdfixed"],
     "vhd-compressed": ["vhd.gz", "vhd.xz"],
     "vsphere-ova": ["vsphere.ova"],
 }