diff --git a/app/controllers/stats_controller.rb b/app/controllers/stats_controller.rb
index 3606f37..3fe821a 100644
--- a/app/controllers/stats_controller.rb
+++ b/app/controllers/stats_controller.rb
@@ -63,7 +63,7 @@ class StatsController < ApplicationController
     options = { host: hostnames, uri: normalized_paths }
     stats = Rollup.where_dimensions(**options).multi_series('host|uri', interval: interval).tap do |series|
       series.each do |serie|
-        serie[:name] = serie.dig(:dimensions).slice('host', 'uri').values.join.sub('/index.html', '/')
+        serie[:name] = serie[:dimensions].slice('host', 'uri').values.join.sub('/index.html', '/')
         serie[:data].transform_values! do |value|
           value * nodes
         end