diff --git a/packages/ui/shared/src/ui/schemas.ts b/packages/ui/shared/src/ui/schemas.ts
index 0eef4b8a..f0582768 100644
--- a/packages/ui/shared/src/ui/schemas.ts
+++ b/packages/ui/shared/src/ui/schemas.ts
@@ -166,7 +166,7 @@ export const FileBrowserWidgetSchema = z.object({
     path: z.string().default('/'),
     glob: z.string().default('*.*'),
     mode: z.enum(['simple', 'advanced']).default('simple'),
-    viewMode: z.enum(['list', 'thumbs']).default('list'),
+    viewMode: z.enum(['list', 'thumbs', 'tree']).default('list'),
     sortBy: z.enum(['name', 'ext', 'date', 'type']).default('name'),
     showToolbar: z.boolean().default(true),
     canChangeMount: z.boolean().default(true),