diff --git a/weboob/tools/application/qt/backendcfg.py b/weboob/tools/application/qt/backendcfg.py
index 0b8db780..f87c09b8 100644
--- a/weboob/tools/application/qt/backendcfg.py
+++ b/weboob/tools/application/qt/backendcfg.py
@@ -225,7 +225,7 @@ class BackendCfg(QDialog):
                 continue
 
             item = QTreeWidgetItem(None, [instance_name, name])
-            item.setCheckState(0, Qt.Checked if params.get('_enabled', '1').lower() in ('1', 'y', 'true')
+            item.setCheckState(0, Qt.Checked if params.get('_enabled', '1').lower() in ('1', 'y', 'true', 'on', 'yes')
                 else Qt.Unchecked)
 
             self.set_icon(item, info)