diff --git a/app.js b/app.js
index d2ccb6b206c95cf889042b39b50a91a020d454b3..4c24652c80929aac6311ae33eba3cd6b7cf426a0 100644
--- a/app.js
+++ b/app.js
@@ -424,6 +424,8 @@ var firmwarewizard = function() {
     preview = preview.replace('x86-generic', 'x86-generic.img');
     preview = preview.replace('x86-64', 'x86-generic.img');
     preview = preview.replace('x86-kvm', 'x86-kvm.img');
+    preview = preview.replace('x86-generic.img.vdi', 'x86-virtualbox.vdi');
+    preview = preview.replace('x86-generic.img.vmdk', 'x86-vmware.vmdk');
 
     // collect branch versions
     app.currentVersions[branch] = version;