diff --git a/monitoring/prometheus/nodejs-application/src/server.js b/monitoring/prometheus/nodejs-application/src/server.js
index 3f09462..87365bb 100644
--- a/monitoring/prometheus/nodejs-application/src/server.js
+++ b/monitoring/prometheus/nodejs-application/src/server.js
@@ -43,10 +43,10 @@ app.get('/', (req, res) => {
 
 
 // Metrics endpoint
-app.get('/metrics', (req, res) => {
+app.get('/metrics', async (req, res) => {
   res.set('Content-Type', client.register.contentType)
-  res.end(client.register.metrics())
+  res.end(await client.register.metrics())
 })
 
 app.listen(PORT, HOST);
-console.log(`Running on http://${HOST}:${PORT}`);
\ No newline at end of file
+console.log(`Running on http://${HOST}:${PORT}`);