--- a/src/eric7/QScintilla/EditorOutline.py Fri Oct 25 09:47:48 2024 +0200 +++ b/src/eric7/QScintilla/EditorOutline.py Fri Oct 25 17:58:59 2024 +0200 @@ -426,7 +426,7 @@ defaultWidth = Preferences.getEditor("SourceOutlineWidth") currentWidth = self.parent().sizes()[1] - dlg = EditorOutlineSizesDialog(currentWidth, defaultWidth) + dlg = EditorOutlineSizesDialog(currentWidth, defaultWidth, parent=self) if dlg.exec() == QDialog.DialogCode.Accepted: newDefaultWidth = dlg.getSizes()