diff --git a/mail_preview_audio/i18n/mail_preview_audio.pot b/mail_preview_audio/i18n/mail_preview_audio.pot
index 9af393dfc..62aa8491d 100644
--- a/mail_preview_audio/i18n/mail_preview_audio.pot
+++ b/mail_preview_audio/i18n/mail_preview_audio.pot
@@ -1,12 +1,12 @@
 # Translation of Odoo Server.
 # This file contains the translation of the following modules:
-#	* mail_preview_audio
+# 	* mail_preview_audio
 #
 msgid ""
 msgstr ""
-"Project-Id-Version: Odoo Server 12.0\n"
+"Project-Id-Version: Odoo Server 13.0\n"
 "Report-Msgid-Bugs-To: \n"
-"Last-Translator: <>\n"
+"Last-Translator: \n"
 "Language-Team: \n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
@@ -15,8 +15,7 @@ msgstr ""
 
 #. module: mail_preview_audio
 #. openerp-web
-#: code:addons/mail_preview_audio/static/src/xml/preview.xml:7
+#: code:addons/mail_preview_audio/static/src/xml/preview.xml:0
 #, python-format
 msgid "Audio"
 msgstr ""
-
diff --git a/mail_preview_audio/static/description/index.html b/mail_preview_audio/static/description/index.html
index 908f0f519..0e448c8e7 100644
--- a/mail_preview_audio/static/description/index.html
+++ b/mail_preview_audio/static/description/index.html
@@ -3,7 +3,7 @@
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-<meta name="generator" content="Docutils 0.16: http://docutils.sourceforge.net/" />
+<meta name="generator" content="Docutils 0.15.1: http://docutils.sourceforge.net/" />
 <title>Preview audio files</title>
 <style type="text/css">
 
diff --git a/mail_preview_audio/static/src/js/preview.js b/mail_preview_audio/static/src/js/preview.js
index c7350e3ec..4bcd85753 100644
--- a/mail_preview_audio/static/src/js/preview.js
+++ b/mail_preview_audio/static/src/js/preview.js
@@ -6,7 +6,8 @@
 odoo.define("audio_file.preview", function (require) {
     "use strict";
 
-    var DocumentViewer = require("mail.DocumentViewer");
+    var preview = require("mail_preview_base.preview");
+    var DocumentViewer = preview.DocumentViewer;
 
     DocumentViewer.include({
         _checkAttachment: function (attachment) {
