--- a/eric6/Debugger/ExceptionsFilterDialog.py	Mon Mar 01 17:48:43 2021 +0100
+++ b/eric6/Debugger/ExceptionsFilterDialog.py	Tue Mar 02 17:17:09 2021 +0100
@@ -36,7 +36,8 @@
             self.exceptionList.setToolTip(
                 self.tr("List of ignored exceptions"))
         
-        self.okButton = self.buttonBox.button(QDialogButtonBox.Ok)
+        self.okButton = self.buttonBox.button(
+            QDialogButtonBox.StandardButton.Ok)
     
     @pyqtSlot()
     def on_exceptionList_itemSelectionChanged(self):