diff --git a/src/constants/cheki.ts b/src/constants/cheki.ts
index e8546737..e05b5bc6 100644
--- a/src/constants/cheki.ts
+++ b/src/constants/cheki.ts
@@ -126,7 +126,7 @@ export const DEFAULT_SEO_PROPS: DefaultSeoProps = {
       },
     ],
     locale: "ja_JP",
-    site_name: "ノネメちゃんチェキ",
+    site_name: "めたねのあーと",
     title: "ノネメちゃんチェキ | めたねのあーと",
     type: "website",
     url: "https://metaneno.art/cheki",