diff --git a/src/metrics.js b/src/metrics.js
index c3677337a..9bdd1c957 100644
--- a/src/metrics.js
+++ b/src/metrics.js
@@ -101,7 +101,7 @@ async function getMemoryMetrics() {
     const memory = output.match(memoryRe);
     if (!memory) throw new BoxError(BoxError.EXTERNAL_ERROR, 'Could not find memory used');
 
-    return { used: memory.groups.used };
+    return { used: parseInt(memory.groups.used, 10) };
 }
 
 async function getCpuMetrics() {