diff --git a/comictaggerlib/settingswindow.py b/comictaggerlib/settingswindow.py
index e1b79c2..1f2cb08 100644
--- a/comictaggerlib/settingswindow.py
+++ b/comictaggerlib/settingswindow.py
@@ -367,6 +367,8 @@ class SettingsWindow(QtWidgets.QDialog):
         self.cbxRemoveC2C.setEnabled(complicated)
         self.cbxRemoveFCBD.setEnabled(complicated)
         self.cbxRemovePublisher.setEnabled(complicated)
+        self.cbxProtofoliusIssueNumberScheme.setEnabled(complicated)
+        self.cbxAllowIssueStartWithLetter.setEnabled(complicated)
         self.filename_parser_test()
 
     def settings_to_form(self) -> None: