--- a/eric7/WebBrowser/Bookmarks/XbelWriter.py	Sun Aug 29 17:48:26 2021 +0200
+++ b/eric7/WebBrowser/Bookmarks/XbelWriter.py	Sun Aug 29 17:48:44 2021 +0200
@@ -37,7 +37,7 @@
             f = fileNameOrDevice
         else:
             f = QFile(fileNameOrDevice)
-            if root is None or not f.open(QFile.WriteOnly):
+            if root is None or not f.open(QIODevice.OpenModeFlag.WriteOnly):
                 return False
         
         self.setDevice(f)