diff --git a/addons/im_livechat/views/im_livechat.xml b/addons/im_livechat/views/im_livechat.xml
index 702aa2f9156..81ddd9e3deb 100644
--- a/addons/im_livechat/views/im_livechat.xml
+++ b/addons/im_livechat/views/im_livechat.xml
@@ -86,9 +86,9 @@
             <!-- css style -->
             <link property='stylesheet' t-att-href="'%s/web/css/im_livechat.internal_lib' % (url)" rel="stylesheet"/>
             <!-- js of all the required lib (internal and external) -->
-            <script t-att-src="'%s/web/js/im_livechat.internal_lib' % (url)" type="text/javascript" async="async" />
+            <script t-att-src="'%s/web/js/im_livechat.internal_lib' % (url)" type="text/javascript" />
             <!-- the loader -->
-            <script t-att-src="'%s/im_livechat/loader/%s/%i' % (url, dbname, channel)" type="text/javascript" async="async" />
+            <script t-att-src="'%s/im_livechat/loader/%s/%i' % (url, dbname, channel)" type="text/javascript" />
         </template>
 
         <!-- Bundle of External Librairies of the Livechat -->