diff --git a/web/src/api/types/mxtypes.ts b/web/src/api/types/mxtypes.ts
index 814725d..9c10ad1 100644
--- a/web/src/api/types/mxtypes.ts
+++ b/web/src/api/types/mxtypes.ts
@@ -131,7 +131,7 @@ export interface ReactionEventContent {
 		event_id: EventID
 		key: string
 	}
-	"com.beeper.emoji.shortcode"?: string
+	"com.beeper.reaction.shortcode"?: string
 }
 
 export interface EncryptedFile {
diff --git a/web/src/util/emoji/index.ts b/web/src/util/emoji/index.ts
index 7815516..732d29c 100644
--- a/web/src/util/emoji/index.ts
+++ b/web/src/util/emoji/index.ts
@@ -97,7 +97,7 @@ export function emojiToReactionContent(emoji: PartialEmoji, evtID: EventID): Rea
 		},
 	}
 	if (emoji.u?.startsWith("mxc://") && emoji.n) {
-		content["com.beeper.emoji.shortcode"] = emoji.n
+		content["com.beeper.reaction.shortcode"] = emoji.n
 	}
 	return content
 }