diff --git a/src/js/mirrors.js b/src/js/mirrors.js
index d21ece306..b07867db9 100644
--- a/src/js/mirrors.js
+++ b/src/js/mirrors.js
@@ -332,7 +332,7 @@ var updateMetadataNow = function() {
 
 var updateMetadataAsync = function() {
     if ( metadataPersistTimer === null ) {
-        setTimeout(updateMetadata, 60 * 1000);
+        metadataPersistTimer = setTimeout(updateMetadata, 60 * 1000);
     }
 };