diff --git a/website/src/.vitepress/theme/components/CustomSwitchAppearance.vue b/website/src/.vitepress/theme/components/CustomSwitchAppearance.vue
index 505d6a78..d8ec926b 100644
--- a/website/src/.vitepress/theme/components/CustomSwitchAppearance.vue
+++ b/website/src/.vitepress/theme/components/CustomSwitchAppearance.vue
@@ -21,6 +21,8 @@ onMounted(() => {
 
 <template>
 	<button
+		type="button"
+		role="switch"
 		title="Toggle dark mode"
 		class="CustomSwitchAppearance"
 		:aria-checked="isDark"