@@ -16,6 +16,9 @@ function InserterListboxItem(
 			// Manage the roving tab index below. Otherwise every item
 			// re-renders to update it once the items have registered.
 			tabbable
+			// Without an explicit type, every item re-renders after mount
+			// once Ariakit detects the native button.
+			type="button"
 			{ ...props }
 			render={ ( htmlProps ) => {
 				const propsWithTabIndex = {