diff --git a/gramps/plugins/webreport/narrativeweb.py b/gramps/plugins/webreport/narrativeweb.py
index 411497bb7..5afb3e21d 100644
--- a/gramps/plugins/webreport/narrativeweb.py
+++ b/gramps/plugins/webreport/narrativeweb.py
@@ -8637,6 +8637,7 @@ class NavWebOptions(MenuReportOptions):
             self.__navigation.set_available(True)
         else:
             self.__navigation.set_available(False)
+            self.__navigation.set_value("Horizontal")
 
     def __graph_changed(self):
         """