diff --git a/dom0/qvm-tools/qvm-prefs b/dom0/qvm-tools/qvm-prefs
index 1b183742..66664497 100755
--- a/dom0/qvm-tools/qvm-prefs
+++ b/dom0/qvm-tools/qvm-prefs
@@ -283,6 +283,15 @@ def set_debug(vms, vm, args):
         vm.debug = False
     else:
         vm.debug = bool(eval(args[0].capitalize()))
+
+    return True
+
+def set_include_in_backups(vms, vm, args):
+    if len (args) != 1:
+        print >> sys.stderr, "Missing value (True/False)!"
+        return False
+
+    vm.include_in_backups = bool(eval(args[0].capitalize()))
     return True
 
 properties = {