diff --git a/addons/im_livechat/views/im_livechat_channel_templates.xml b/addons/im_livechat/views/im_livechat_channel_templates.xml
index ffe225e5709..911adc39762 100644
--- a/addons/im_livechat/views/im_livechat_channel_templates.xml
+++ b/addons/im_livechat/views/im_livechat_channel_templates.xml
@@ -113,6 +113,7 @@
             <script type="text/javascript" src="/web/static/lib/underscore.string/lib/underscore.string.js"></script>
             <!-- jQuery -->
             <script type="text/javascript" src="/web/static/lib/jquery/jquery.js"></script>
+            <script type="text/javascript" src="/web/static/lib/jquery.ui/jquery-ui.js"></script>
             <script type="text/javascript" src="/web/static/lib/jquery/jquery.browser.js"></script>
             <script type="text/javascript" src="/web/static/lib/jquery.ba-bbq/jquery.ba-bbq.js"></script>
             <!-- Qweb2 lib -->