diff --git a/gramps/plugins/webreport/narrativeweb.py b/gramps/plugins/webreport/narrativeweb.py
index da611e868..8f9ce15e3 100644
--- a/gramps/plugins/webreport/narrativeweb.py
+++ b/gramps/plugins/webreport/narrativeweb.py
@@ -7733,14 +7733,17 @@ class NavWebReport(Report):
             with self.user.progress(_("Narrated Web Site Report"),
                     _('Creating GENDEX file'), len(ind_list)) as step:
                 fp_gendex, gendex_io = self.create_file("gendex", ext=".txt")
+                date = 0
                 for person_handle in ind_list:
                     step()
                     person = self.database.get_person_from_handle(person_handle)
+                    datex = person.get_change_time()
+                    if datex > date: date = datex
                     if self.archive:
                         self.write_gendex(gendex_io, person)
                     else:
                         self.write_gendex(fp_gendex, person)
-                self.close_file(fp_gendex, gendex_io, 0)
+                self.close_file(fp_gendex, gendex_io, date)
 
     def write_gendex(self, fp, person):
         """