diff --git a/packages/bot/src/bot.ts b/packages/bot/src/bot.ts
index c639a5302..e7a9667de 100644
--- a/packages/bot/src/bot.ts
+++ b/packages/bot/src/bot.ts
@@ -186,7 +186,8 @@ export interface EventHandlers {
     guildId?: bigint
     member?: Member
     user?: User
-    emoji: Emoji
+    emoji: Emoji,
+    messageAuthorId?: bigint
   }) => unknown
   reactionRemove: (payload: { userId: bigint; channelId: bigint; messageId: bigint; guildId?: bigint; emoji: Emoji }) => unknown
   reactionRemoveEmoji: (payload: { channelId: bigint; messageId: bigint; guildId?: bigint; emoji: Emoji }) => unknown
diff --git a/packages/bot/src/handlers/messages/MESSAGE_REACTION_ADD.ts b/packages/bot/src/handlers/messages/MESSAGE_REACTION_ADD.ts
index 871cad09f..2b0f1bb88 100644
--- a/packages/bot/src/handlers/messages/MESSAGE_REACTION_ADD.ts
+++ b/packages/bot/src/handlers/messages/MESSAGE_REACTION_ADD.ts
@@ -14,5 +14,6 @@ export async function handleMessageReactionAdd(bot: Bot, data: DiscordGatewayPay
     member: payload.member && guildId ? bot.transformers.member(bot, payload.member, guildId, userId) : undefined,
     user: payload.member ? bot.transformers.user(bot, payload.member.user) : undefined,
     emoji: bot.transformers.emoji(bot, payload.emoji),
+    messageAuthorId: payload.message_author_id ? bot.transformers.snowflake(payload.message_author_id) : undefined,
   })
 }
diff --git a/packages/types/src/discord.ts b/packages/types/src/discord.ts
index 065c04eb2..3aa2d6ee8 100644
--- a/packages/types/src/discord.ts
+++ b/packages/types/src/discord.ts
@@ -2022,6 +2022,8 @@ export interface DiscordMessageReactionAdd {
   member?: DiscordMemberWithUser
   /** The emoji used to react */
   emoji: Partial<DiscordEmoji>
+  /** The id of the author of this message */
+  message_author_id?: string
 }
 
 /** https://discord.com/developers/docs/topics/gateway#voice-server-update */