diff --git a/views/download.handlebars b/views/download.handlebars
index b5398532..3981b24b 100644
--- a/views/download.handlebars
+++ b/views/download.handlebars
@@ -1,5 +1,5 @@
 <div id="download">
-  <script src="/download.js"></script>
+  <script defer src="/download.js"></script>
   <div id="download-page-one">
     <div class="title">
       <span id="dl-file"
diff --git a/views/index.handlebars b/views/index.handlebars
index d8bd1d08..64d0c328 100644
--- a/views/index.handlebars
+++ b/views/index.handlebars
@@ -1,5 +1,5 @@
 <div id="page-one" hidden>
-  <script src="/upload.js"></script>
+  <script defer src="/upload.js"></script>
   <div class="title" data-l10n-id="uploadPageHeader"></div>
   <div class="description">
     <div data-l10n-id="uploadPageExplainer"></div>