diff --git a/qubesmanager/qube_manager.py b/qubesmanager/qube_manager.py
index 967fcae..8d7ec92 100644
--- a/qubesmanager/qube_manager.py
+++ b/qubesmanager/qube_manager.py
@@ -480,8 +480,8 @@ class QubesTableModel(QAbstractTableModel):
             col_name = self.columns_indices[index.column()]
             if col_name == "Backup":
                 vm = self.qubes_cache.get_vm(index.row())
-                vm.vm.include_in_backups = (value == 2)
-                vm.inc_backup = (value == 2)
+                vm.vm.include_in_backups = (value == Qt.Checked)
+                vm.inc_backup = (value == Qt.Checked)
                 return True
         return False