diff --git a/src/metrics.js b/src/metrics.js
index b9c5a9ca1..811c0d023 100644
--- a/src/metrics.js
+++ b/src/metrics.js
@@ -54,7 +54,7 @@ async function readContainerMetrics() {
 
     const containerNames = allAddons;
     for (const app of await apps.list()) {
-        if (app.containerId) containerNames.push(app.containerId); // containerId can be null if app is installing
+        if (app.containerId) containerNames.push(app.id); // containerId can be null if app is installing. metrics must be stored by appId since container id changes over time
         if (app.manifest.addons?.redis && app.enableRedis) containerNames.push(`redis-${app.id}`);
     }