diff --git a/gramps/plugins/webreport/webcal.py b/gramps/plugins/webreport/webcal.py
index b53b1c1d7..10ab41bde 100644
--- a/gramps/plugins/webreport/webcal.py
+++ b/gramps/plugins/webreport/webcal.py
@@ -1085,7 +1085,7 @@ class WebCalReport(Report):
         with self._user.progress(_("Web Calendar Report"),
                                   _('Applying Filter...'), 
                                   db.get_number_of_people()) as step:
-            people = self.filter.apply(db, people, step_progress)
+            people = self.filter.apply(db, people, step)
 
         with self._user.progress(_("Web Calendar Report"),
                 _("Reading database..."), len(people)) as step: