diff --git a/index.d.ts b/index.d.ts
index a242bf4..276496d 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -704,7 +704,7 @@ declare namespace WAWebJS {
          */
         reply: (content: MessageContent, chatId?: string, options?: MessageSendOptions) => Promise<Message>,
         /** React to this message with an emoji*/
-        react: (reaction: string) => Promise,
+        react: (reaction: string) => Promise<void>,
         /** 
          * Forwards this message to another chat
          */