diff --git a/addons/point_of_sale/__manifest__.py b/addons/point_of_sale/__manifest__.py
index 43731fe2a86..dfa8efa335d 100644
--- a/addons/point_of_sale/__manifest__.py
+++ b/addons/point_of_sale/__manifest__.py
@@ -168,6 +168,9 @@
             ('remove', 'web/static/src/core/errors/error_handlers.js'),
             ('remove', 'web/static/src/legacy/legacy_rpc_error_handler.js'),
         ],
+        'point_of_sale.pos_assets_backend_style': [
+            "web/static/src/core/ui/**/*.scss",
+        ],
         'point_of_sale.tests_assets': [
             'web/static/lib/daterangepicker/daterangepicker.css',
             'web/static/lib/qunit/qunit-2.9.1.css',
diff --git a/addons/point_of_sale/static/src/js/chrome_adapter.js b/addons/point_of_sale/static/src/js/chrome_adapter.js
index d5fd0a42288..0e50ed0a24d 100644
--- a/addons/point_of_sale/static/src/js/chrome_adapter.js
+++ b/addons/point_of_sale/static/src/js/chrome_adapter.js
@@ -8,8 +8,7 @@ import { configureGui } from "point_of_sale.Gui";
 import { useBus } from "@web/core/bus_hook";
 import PosComponent from "point_of_sale.PosComponent";
 import PopupControllerMixin from "point_of_sale.PopupControllerMixin";
-import { useErrorHandlers } from "point_of_sale.custom_hooks";
-import { ConnectionLostError } from "@web/core/network/rpc_service";
+import { registry } from "@web/core/registry";
 
 function setupResponsivePlugin(env) {
     const isMobile = () => window.innerWidth <= 768;
@@ -32,7 +31,11 @@ export class ChromeAdapter extends PopupControllerMixin(PosComponent) {
         useBus(this.env.qweb, "update", () => this.render());
         const chrome = owl.hooks.useRef("chrome");
         owl.hooks.onMounted(async () => {
+            // Little trick to avoid displaying the block ui during the POS models loading
+            const BlockUiFromRegistry = registry.category("main_components").get("BlockUI");
+            registry.category("main_components").remove("BlockUI");
             await chrome.comp.start();
+            registry.category("main_components").add("BlockUI", BlockUiFromRegistry);
             configureGui({ component: chrome.comp });
             setupResponsivePlugin(this.env);
         });
diff --git a/addons/point_of_sale/views/pos_assets_common.xml b/addons/point_of_sale/views/pos_assets_common.xml
index a1d14a64081..70904f9c4ac 100644
--- a/addons/point_of_sale/views/pos_assets_common.xml
+++ b/addons/point_of_sale/views/pos_assets_common.xml
@@ -2,6 +2,7 @@
 <odoo>
 
 <template id="point_of_sale.assets_common" name="POS Assets Common">
+    <t t-call-assets="point_of_sale.pos_assets_backend_style" t-js="false"/>
     <t t-call-assets="point_of_sale.assets" t-js="false" />
     <t t-call-assets="web.assets_common" t-css="false" />
     <t t-call-assets="point_of_sale.pos_assets_backend" t-css="false" />