diff --git a/LeCountdown/Model/Model+Extensions.swift b/LeCountdown/Model/Model+Extensions.swift
index 99d31c5..6710a0f 100644
--- a/LeCountdown/Model/Model+Extensions.swift
+++ b/LeCountdown/Model/Model+Extensions.swift
@@ -12,10 +12,10 @@ import CoreData
 extension AbstractSoundTimer {
     
     var playables: [any Playable] {
-        if let soundList {
+        if let playableIds {
             var playables: [any Playable] = []
-            var playableIds = soundList.components(separatedBy: idSeparator)
-            for id in playableIds {
+            let ids: [String] = playableIds.components(separatedBy: idSeparator)
+            for id in ids {
                 if let intId = numberFormatter.number(from: id)?.intValue,
                     let sound = Sound(rawValue: intId) {
                     playables.append(sound)