diff --git a/NetNewsWire/MainWindow/Timeline/Cell/TimelineStringFormatter.swift b/NetNewsWire/MainWindow/Timeline/Cell/TimelineStringFormatter.swift
index 32ec36cc7..681379bf3 100644
--- a/NetNewsWire/MainWindow/Timeline/Cell/TimelineStringFormatter.swift
+++ b/NetNewsWire/MainWindow/Timeline/Cell/TimelineStringFormatter.swift
@@ -10,7 +10,7 @@ import Foundation
 import Articles
 import RSParser
 
-class TimelineStringFormatter {
+struct TimelineStringFormatter {
 
 	private static var feedNameCache = [String: String]()
 	private static var titleCache = [String: String]()