diff --git a/src/calibre/gui2/toc/main.py b/src/calibre/gui2/toc/main.py
index 34249b6319..c9da36de82 100644
--- a/src/calibre/gui2/toc/main.py
+++ b/src/calibre/gui2/toc/main.py
@@ -335,7 +335,7 @@ class ItemView(QStackedWidget):  # {{{
                 l.addWidget(s.bb)
 
         d = D(self)
-        if d.exec_() == QDialog.DialogCode.Accepted:
+        if d.exec() == QDialog.DialogCode.Accepted:
             self.create_from_xpath.emit(xpaths, d.remove_duplicates_cb.isChecked(), d.prefer_title_cb.isChecked())
         self.prefs.set('toc_from_headings_remove_duplicates', d.remove_duplicates_cb.isChecked())
         self.prefs.set('toc_from_headings_prefer_title', d.prefer_title_cb.isChecked())