diff --git a/lib/support/friendlynames.js b/lib/support/friendlynames.js
index 77c0ea71eb..c7d77f128a 100644
--- a/lib/support/friendlynames.js
+++ b/lib/support/friendlynames.js
@@ -543,21 +543,25 @@ export default {
   sustainable: {
     sustainable: {
       totalCO2: {
+        path: 'totalCO2.median',
         summaryPath: 'totalCO2',
         name: 'Total CO2',
         format: co2.format
       },
       co2PerPageView: {
+        path: 'co2PerPageView.median',
         summaryPath: 'co2PerPageView',
         name: 'CO2 per page view',
         format: co2.format
       },
       co2FirstParty: {
+        path: 'co2FirstParty.median',
         summaryPath: 'co2FirstParty',
         name: 'CO2 per first parties',
         format: co2.format
       },
       co2ThirdParty: {
+        path: 'co2ThirdParty.median',
         summaryPath: 'co2ThirdParty',
         name: 'CO2 per third parties',
         format: co2.format