diff --git a/src/ai.ts b/src/ai.ts
index 7d6d3f4..70b3d80 100644
--- a/src/ai.ts
+++ b/src/ai.ts
@@ -166,7 +166,7 @@ export default class 藍 {
 			// リアクションする
 			this.api('notes/reactions/create', {
 				noteId: data.id,
-				reaction: ':catchan:'
+				reaction: '💙'
 			});
 		});