diff --git a/src/instrument.js b/src/instrument.js
index abe2e6ecb28d455b6859288beee9a66c6e03f5a8..2afdbd0a34cf942826be1ecea1ac1e7334ad703a 100644
--- a/src/instrument.js
+++ b/src/instrument.js
@@ -3,7 +3,8 @@ const { version } = require('../package.json')
 const { isDev } = require('./helpers/env')
 
 Sentry.init({
-  dsn: 'https://fa503fe00434433f805d1c715999b7f5@grandlyon.errors.cozycloud.cc/3',
+  dsn:
+    'https://fa503fe00434433f805d1c715999b7f5@grandlyon.errors.cozycloud.cc/3',
 
   // Set tracesSampleRate to 1.0 to capture 100%
   // of transactions for performance monitoring.
@@ -16,3 +17,4 @@ Sentry.init({
 })
 
 Sentry.setTag('method', 'TIERS-DIRECT')
+Sentry.setTag('instance', process.env.COZY_URL)