diff --git a/packages/ui/src/components/ListBox/types.ts b/packages/ui/src/components/ListBox/types.ts
index fd2cc4146c..0d4eb9d045 100644
--- a/packages/ui/src/components/ListBox/types.ts
+++ b/packages/ui/src/components/ListBox/types.ts
@@ -57,7 +57,7 @@ export type ListBoxItemOwnProps = {
   /**
    * Optional icon displayed before the label, rendered in a 32×32px box.
    */
-  icon?: React.ReactNode;
+  icon?: React.ReactElement;
   /**
    * Optional menu items rendered inside an automatically managed dropdown menu.
    * Pass `MenuItem` nodes here and the component will render the trigger button