diff --git a/python/PyQt6/gui/additions/qgssettingsenumflageditorwrapper.py b/python/PyQt6/gui/additions/qgssettingsenumflageditorwrapper.py
index 7b79feb18b55..245b0470a35f 100644
--- a/python/PyQt6/gui/additions/qgssettingsenumflageditorwrapper.py
+++ b/python/PyQt6/gui/additions/qgssettingsenumflageditorwrapper.py
@@ -75,8 +75,8 @@ def createEditorPrivate(self, parent=None):
 
     def configureEditorPrivate(self, editor: QComboBox, setting: QgsSettingsEntryBase):
         self.setting = setting
-        self.editor = editor
-        if editor is not None:
+        if isinstance(editor, QComboBox):
+            self.editor = editor
             for i in range(self.setting.metaEnum().keyCount()):
                 value = self.setting.metaEnum().value(i)
                 key = self.setting.metaEnum().key(i)