diff --git a/resources/report/html/loot-dialog.html b/resources/report/html/loot-dialog.html
index bec92fe2..76abee47 100644
--- a/resources/report/html/loot-dialog.html
+++ b/resources/report/html/loot-dialog.html
@@ -11,7 +11,7 @@ Still missing compared to <dialog> are:
 <link rel="import" href="../bower_components/polymer/polymer.html">
 <link rel="import" href="../bower_components/paper-dialog/paper-dialog.html">
 
-<polymer-element name="loot-dialog" extends="paper-dialog" attributes="open" transition="paper-dialog-transition-center" autoCloseDisabled backdrop>
+<polymer-element name="loot-dialog" extends="paper-dialog" attributes="open" transition="core-transition-center" autoCloseDisabled backdrop>
     <script>
     Polymer({
         open: false,