diff --git a/app/views/posts/partials/show/_ugoira_original.html.erb b/app/views/posts/partials/show/_ugoira_original.html.erb
index 2252053ce..bf35476f2 100644
--- a/app/views/posts/partials/show/_ugoira_original.html.erb
+++ b/app/views/posts/partials/show/_ugoira_original.html.erb
@@ -38,7 +38,7 @@
 
 <% content_for(:html_header) do %>
   <script type="text/javascript">
-    let Ugoira = {};
+    var Ugoira = {};
 
     Ugoira.create_player = function() {
       var meta_data = {