--- a/eric6/Plugins/VcsPlugins/vcsSubversion/SvnCommandDialog.py	Sat Mar 06 10:00:52 2021 +0100
+++ b/eric6/Plugins/VcsPlugins/vcsSubversion/SvnCommandDialog.py	Sun Mar 28 15:00:11 2021 +0200
@@ -38,7 +38,8 @@
         
         self.workdirPicker.setMode(E5PathPickerModes.DirectoryMode)
         
-        self.okButton = self.buttonBox.button(QDialogButtonBox.Ok)
+        self.okButton = self.buttonBox.button(
+            QDialogButtonBox.StandardButton.Ok)
         self.okButton.setEnabled(False)
         
         self.commandCombo.clear()