diff --git a/src/metrics.js b/src/metrics.js
index 15147fcdf..283f268c8 100644
--- a/src/metrics.js
+++ b/src/metrics.js
@@ -28,8 +28,8 @@ const apps = require('./apps.js'),
 async function readContainerMetric(name) {
     assert.strictEqual(typeof name, 'string');
 
-    const stats = await docker.getStats(name);
-    if (Object.keys(stats.memory_stats).length === 0) return null; // the container is stopped. better not to inspect and check State since a race is possible
+    const [error, stats] = await safe(docker.getStats(name));
+    if (error || Object.keys(stats.memory_stats).length === 0) return null; // the container is missing or stopped. better not to inspect and check State since a race is possible
 
     const networkRead = stats.networks ? stats.networks.eth0.rx_bytes : 0; // in host mode (turn), networks is missing
     const networkWrite = stats.networks ? stats.networks.eth0.tx_bytes : 0; // in host mode (turn), networks is missing