From 5dbdc70fd48c8ebf39cc7d7eb56015ecdbdb2040 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 19 Jan 2026 07:41:50 +0530
Subject: [PATCH] Fix restore defaults in main interface tab with a changed
 font causing an error

---
 src/calibre/gui2/preferences/look_feel_tabs/main_interface.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/gui2/preferences/look_feel_tabs/main_interface.py b/src/calibre/gui2/preferences/look_feel_tabs/main_interface.py
index 985cd1f596..d968a90273 100644
--- a/src/calibre/gui2/preferences/look_feel_tabs/main_interface.py
+++ b/src/calibre/gui2/preferences/look_feel_tabs/main_interface.py
@@ -178,7 +178,7 @@ class MainInterfaceTab(LazyConfigWidgetBase, Ui_Form):
         self.current_font = None
         if ofont is not None:
             self.changed_signal.emit()
-            self.main_interface_tab.update_font_display()
+            self.update_font_display()
         self.opt_gui_layout.setCurrentIndex(0)
         self.changed_signal.emit()