diff --git a/runbot/__manifest__.py b/runbot/__manifest__.py
index 25a07b90..5085df56 100644
--- a/runbot/__manifest__.py
+++ b/runbot/__manifest__.py
@@ -64,6 +64,7 @@
     'assets': {
         'web.assets_backend': [
             'runbot/static/src/libs/diff_match_patch/diff_match_patch.js',
+            'runbot/static/src/js/views/**/*',
             'runbot/static/src/js/fields/*',
         ],
         'runbot.assets_frontend': [
diff --git a/runbot/static/src/js/views/form_controller.js b/runbot/static/src/js/views/form_controller.js
new file mode 100644
index 00000000..f7a1ea72
--- /dev/null
+++ b/runbot/static/src/js/views/form_controller.js
@@ -0,0 +1,19 @@
+/** @odoo-module **/
+
+import { FormController } from '@web/views/form/form_controller';
+import { patch } from '@web/core/utils/patch';
+
+
+patch(FormController.prototype, {
+    // Prevent saving on tab switching
+    beforeVisibilityChange: () => {},
+    // Prevent closing page with dirty fields
+    async beforeUnload(ev) {
+        if (await this.model.root.isDirty()) {
+            ev.preventDefault();
+            ev.returnValue = 'Unsaved changes';
+        } else {
+            super.beforeUnload(ev);
+        }
+    }
+})