diff --git a/.vitepress/theme/components/CustomLayout.vue b/.vitepress/theme/components/CustomLayout.vue
index 64437bff..fd376a60 100644
--- a/.vitepress/theme/components/CustomLayout.vue
+++ b/.vitepress/theme/components/CustomLayout.vue
@@ -56,6 +56,7 @@ provide("toggle-appearance", async () => {
     {
       duration: 300,
       easing: "ease-in",
+      fill: "forwards",
       pseudoElement: `::view-transition-${isDark.value ? "old" : "new"}(root)`,
     },
   );