diff --git a/src/calibre/gui2/dialogs/metadata_bulk.py b/src/calibre/gui2/dialogs/metadata_bulk.py
index 9b3322e647..44f04327cb 100644
--- a/src/calibre/gui2/dialogs/metadata_bulk.py
+++ b/src/calibre/gui2/dialogs/metadata_bulk.py
@@ -352,6 +352,8 @@ class MetadataBulkDialog(ResizableDialog, Ui_MetadataBulkDialog):
         self.pubdate.dateTimeChanged.connect(self.do_apply_pubdate)
         self.adddate.setDateTime(QDateTime.currentDateTime())
         self.adddate.setMinimumDateTime(UNDEFINED_QDATETIME)
+        self.adddate_cw = CalendarWidget(self.adddate)
+        self.adddate.setCalendarWidget(self.adddate_cw)
         adddate_format = tweaks['gui_timestamp_display_format']
         if adddate_format is not None:
             self.adddate.setDisplayFormat(adddate_format)