diff --git a/src/server/api/endpoints/messaging/messages/read.ts b/src/server/api/endpoints/messaging/messages/read.ts
index 1c25a2623..7829fcef6 100644
--- a/src/server/api/endpoints/messaging/messages/read.ts
+++ b/src/server/api/endpoints/messaging/messages/read.ts
@@ -44,7 +44,7 @@ export default define(meta, async (ps, user) => {
 	}
 
 	if (message.recipientId) {
-		await readUserMessagingMessage(user.id, message.recipientId, [message.id]).catch(e => {
+		await readUserMessagingMessage(user.id, message.userId, [message.id]).catch(e => {
 			if (e.id === 'e140a4bf-49ce-4fb6-b67c-b78dadf6b52f') throw new ApiError(meta.errors.noSuchMessage);
 			throw e;
 		});