Index: virt-manager-0.8.7/src/virtManager/uihelpers.py
===================================================================
--- virt-manager-0.8.7.orig/src/virtManager/uihelpers.py
+++ virt-manager-0.8.7/src/virtManager/uihelpers.py
@@ -280,13 +280,16 @@ def build_vnc_keymap_combo(vm, combo, no
 #####################################
 
 def build_storage_format_combo(vm, combo):
-    ignore = vm
     dev_model = gtk.ListStore(str)
     combo.set_model(dev_model)
     combo.set_text_column(0)
 
-    for m in ["raw", "qcow2", "vmdk"]:
-        dev_model.append([m])
+    if vm.get_connection().is_xen():
+        for m in ["raw", "qcow2", "vmdk"]:
+            dev_model.append([m])
+    else:
+        for m in ["raw", "qcow2", "qed", "vmdk"]:
+            dev_model.append([m])
 
     combo.set_active(0)