From 31122636d3f7f83e3ee7e63a96dd186af414d52e Mon Sep 17 00:00:00 2001
From: Laura Hausmann <laura@hausmann.dev>
Date: Sat, 17 Feb 2024 04:04:25 +0100
Subject: [PATCH] [backend] Fix federation for incoming note edits with an
 attachment that has no alt text

---
 packages/backend/src/remote/activitypub/models/note.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/backend/src/remote/activitypub/models/note.ts b/packages/backend/src/remote/activitypub/models/note.ts
index 7fe1a15e1..ad88170fb 100644
--- a/packages/backend/src/remote/activitypub/models/note.ts
+++ b/packages/backend/src/remote/activitypub/models/note.ts
@@ -604,7 +604,7 @@ export async function updateNote(value: string | IObject, resolver?: Resolver) {
 						const file = await resolveImage(actor, x);
 						const update: Partial<DriveFile> = {};
 
-						const altText = truncate(x.name, DB_MAX_IMAGE_COMMENT_LENGTH);
+						const altText = truncate(x.name, DB_MAX_IMAGE_COMMENT_LENGTH) ?? null;
 						if (file.comment !== altText) {
 							update.comment = altText;
 						}