diff --git a/lib/validates_timeliness/extensions/date_time_select.rb b/lib/validates_timeliness/extensions/date_time_select.rb
index c7922bd..6ef9bca 100644
--- a/lib/validates_timeliness/extensions/date_time_select.rb
+++ b/lib/validates_timeliness/extensions/date_time_select.rb
@@ -16,7 +16,8 @@ module ValidatesTimeliness
         @template_object, @options, @html_options = template_object, options, html_options
       end
 
-      def value(object)
+      # Splat args to support Rails 5.0 which expects object, and 5.2 which doesn't
+      def value(*object)
         return super unless @template_object.params[@object_name]
 
         pairs = @template_object.params[@object_name].select {|k,v| k =~ /^#{@method_name}\(/ }