diff --git a/src/Miscellaneous/RelativeDates.coffee b/src/Miscellaneous/RelativeDates.coffee
index 4945fe7bd..982d88d32 100644
--- a/src/Miscellaneous/RelativeDates.coffee
+++ b/src/Miscellaneous/RelativeDates.coffee
@@ -4,7 +4,7 @@ RelativeDates =
   init: ->
     if (
       g.VIEW in ['index', 'thread', 'archive'] and Conf['Relative Post Dates'] and !Conf['Relative Date Title'] or
-      g.VIEW is 'index' and Conf['JSON Index'] and g.BOARD.ID isnt 'f'
+      Index.enabled
     )
       @flush()
       $.on d, 'visibilitychange ThreadUpdate', @flush