diff --git a/extension/script.js b/extension/script.js
index 9d2ee80..7b78717 100644
--- a/extension/script.js
+++ b/extension/script.js
@@ -245,6 +245,7 @@ function buildChannelSubButton(channelHandle) {
     } else {
       console.log('Unknown state');
     }
+    e.stopPropagation();
   });
   Object.assign(channelSubButton.style, {
     padding: '5px',
@@ -306,6 +307,7 @@ function buildChannelDownloadButton() {
     e.preventDefault();
     console.log(`download: ${currentLocation}`);
     sendDownload(channelDownloadButton);
+    e.stopPropagation();
   });
   Object.assign(channelDownloadButton.style, {
     filter: 'invert()',