diff --git a/js/modules/attachment_downloads.js b/js/modules/attachment_downloads.js
index 955b06d7f0..ad43eecaac 100644
--- a/js/modules/attachment_downloads.js
+++ b/js/modules/attachment_downloads.js
@@ -110,6 +110,11 @@ async function addJob(attachment, job = {}) {
 }
 
 async function _tick() {
+  if (timeout) {
+    clearTimeout(timeout);
+    timeout = null;
+  }
+
   _maybeStartJob();
   timeout = setTimeout(_tick, TICK_INTERVAL);
 }