diff --git a/cloudrun-malware-scanner/metrics.js b/cloudrun-malware-scanner/metrics.js
index 4a7dc1b..c1933fd 100644
--- a/cloudrun-malware-scanner/metrics.js
+++ b/cloudrun-malware-scanner/metrics.js
@@ -81,7 +81,7 @@ const COUNTER_ATTRIBUTE_NAMES = {
 const COUNTERS = new Map();
 
 const METRIC_EXPORT_INTERVAL = parseInt(
-  process.env.EXPORT_INTERVAL || '20',
+  process.env.EXPORT_INTERVAL || '20000',
   10,
 );