diff --git a/src/services/note/read.ts b/src/services/note/read.ts
index 46918bc38c..8622597bc0 100644
--- a/src/services/note/read.ts
+++ b/src/services/note/read.ts
@@ -20,11 +20,15 @@ export default (
 		: new mongo.ObjectID(note);
 
 	// Remove document
-	await NoteUnread.remove({
+	const res = await NoteUnread.remove({
 		userId: userId,
 		noteId: noteId
 	});
 
+	if (res.deletedCount == 0) {
+		return;
+	}
+
 	const count1 = await NoteUnread
 		.count({
 			userId: userId,