diff --git a/addons/im_livechat/views/im_livechat_channel_templates.xml b/addons/im_livechat/views/im_livechat_channel_templates.xml
index 28d3d130648..4a48ce27ebc 100644
--- a/addons/im_livechat/views/im_livechat_channel_templates.xml
+++ b/addons/im_livechat/views/im_livechat_channel_templates.xml
@@ -116,14 +116,7 @@
             <script type="text/javascript" src="/web/static/src/js/framework/session.js"></script>
             <script type="text/javascript" src="/web/static/src/js/framework/utils.js"></script>
             <script type="text/javascript" src="/web/static/src/js/framework/core.js"></script>
-
-            <script type="text/javascript">
-                odoo.define('web.session', function (require) {
-                    var Session = require('web.Session');
-                    var modules = odoo._modules;
-                    return new Session(undefined, undefined, {modules:modules});
-                });
-            </script>
+            <script type="text/javascript" src="/web/static/src/js/framework/session_instance.js"></script>
 
             <!-- add the internal lib -->
             <t t-call="im_livechat.internal_lib"/>
diff --git a/addons/web/static/src/js/framework/misc.js b/addons/web/static/src/js/framework/misc.js
index 01deadfadb6..7a87c05350b 100644
--- a/addons/web/static/src/js/framework/misc.js
+++ b/addons/web/static/src/js/framework/misc.js
@@ -330,12 +330,6 @@ return {
 
 });
 
-odoo.define('web.session', function (require) {
-    var Session = require('web.Session');
-    var modules = odoo._modules;
-    return new Session(undefined, undefined, {modules:modules});
-});
-
 odoo.define('web.IFrameWidget', function (require) {
 "use strict";
 
diff --git a/addons/web/static/src/js/framework/session_instance.js b/addons/web/static/src/js/framework/session_instance.js
new file mode 100644
index 00000000000..af2812ac05f
--- /dev/null
+++ b/addons/web/static/src/js/framework/session_instance.js
@@ -0,0 +1,5 @@
+odoo.define('web.session', function (require) {
+    var Session = require('web.Session');
+    var modules = odoo._modules;
+    return new Session(undefined, undefined, {modules:modules});
+});
diff --git a/addons/web/views/webclient_templates.xml b/addons/web/views/webclient_templates.xml
index 8e9fd23e563..6c5b12cd18e 100644
--- a/addons/web/views/webclient_templates.xml
+++ b/addons/web/views/webclient_templates.xml
@@ -116,6 +116,7 @@
             <script type="text/javascript" src="/web/static/src/js/framework/data.js"></script>
             <script type="text/javascript" src="/web/static/src/js/compatibility.js"></script>
             <script type="text/javascript" src="/web/static/src/js/framework/misc.js"></script>
+            <script type="text/javascript" src="/web/static/src/js/framework/session_instance.js"></script>
             <script type="text/javascript" src="/web/static/src/js/framework/crash_manager.js"></script>
             <script type="text/javascript" src="/web/static/src/js/widgets/change_password.js"></script>
             <script type="text/javascript" src="/web/static/src/js/widgets/database_manager.js"></script>
diff --git a/addons/website/views/website_templates.xml b/addons/website/views/website_templates.xml
index aa7d2e8f92b..4a354a59cad 100644
--- a/addons/website/views/website_templates.xml
+++ b/addons/website/views/website_templates.xml
@@ -6,6 +6,7 @@
 
 <template id="website.assets_frontend" name="Website assets">
     <t t-call="website.theme"/>
+    <script type="text/javascript" src="/web/static/src/js/framework/session_instance.js"></script>
 
     <script type="text/javascript" src="/website/static/src/js/website.js"></script>
     <script type="text/javascript" src="/website/static/src/js/website.share.js"></script>