diff --git a/open_workshop_pos/__manifest__.py b/open_workshop_pos/__manifest__.py
index 2fd0524..e111a50 100644
--- a/open_workshop_pos/__manifest__.py
+++ b/open_workshop_pos/__manifest__.py
@@ -38,6 +38,7 @@ Autor: HobbyHimmel
             'open_workshop_pos/static/src/js/ows_pos_customer_sidebar.js',
             'open_workshop_pos/static/src/js/ows_machine_access_list.js',
             'open_workshop_pos/static/src/js/ows_product_screen_template_patch.js',
+            'open_workshop_pos/static/src/js/ows_product_screen_default_category.js',
             
             # XML Templates
             'open_workshop_pos/static/src/xml/ows_pos_sidebar.xml',
diff --git a/open_workshop_pos/static/src/js/ows_product_screen_default_category.js b/open_workshop_pos/static/src/js/ows_product_screen_default_category.js
new file mode 100644
index 0000000..aa8ba97
--- /dev/null
+++ b/open_workshop_pos/static/src/js/ows_product_screen_default_category.js
@@ -0,0 +1,40 @@
+// ows_product_screen_default_category.js
+// @odoo-module
+
+import { ProductScreen } from "@point_of_sale/app/screens/product_screen/product_screen";
+import { patch } from "@web/core/utils/patch";
+import { onMounted } from "@odoo/owl";
+
+// Konfiguration: Tragen Sie hier den Namen oder die ID der Standardkategorie ein
+const DEFAULT_CATEGORY_NAME = "Nutzung"; // Name der Kategorie
+// oder verwenden Sie eine ID:
+// const DEFAULT_CATEGORY_ID = 1; // ID der Kategorie
+
+patch(ProductScreen.prototype, {
+    setup() {
+        super.setup();
+        
+        onMounted(() => {
+            // Setze die Standardkategorie beim Laden des Screens
+            this.setDefaultCategory();
+        });
+    },
+    
+    setDefaultCategory() {
+        // Suche die Kategorie nach Name oder ID
+        let category = null;
+        
+        if (typeof DEFAULT_CATEGORY_NAME !== 'undefined' && DEFAULT_CATEGORY_NAME) {
+            // Suche nach Name
+            const categories = this.pos.models["pos.category"].getAll();
+            category = categories.find(cat => cat.name === DEFAULT_CATEGORY_NAME);
+        } else if (typeof DEFAULT_CATEGORY_ID !== 'undefined' && DEFAULT_CATEGORY_ID) {
+            // Suche nach ID
+            category = this.pos.models["pos.category"].get(DEFAULT_CATEGORY_ID);
+        }
+        
+        if (category) {
+            this.pos.setSelectedCategory(category.id);
+        }
+    },
+});