diff --git a/ModpackUpdater.Apps.Manager/Ui/Models/MainWindow/MainWindowTreeNode.cs b/ModpackUpdater.Apps.Manager/Ui/Models/MainWindow/MainWindowTreeNode.cs
index ee83202..623ff2e 100644
--- a/ModpackUpdater.Apps.Manager/Ui/Models/MainWindow/MainWindowTreeNode.cs
+++ b/ModpackUpdater.Apps.Manager/Ui/Models/MainWindow/MainWindowTreeNode.cs
@@ -37,7 +37,7 @@ public class ActionSetTreeNode(IActionSetInfos infos) : MainWindowTreeNode
 {
     private string editVersion = infos.Version?.ToString() ?? string.Empty;
     
-    public override string DisplayText => infos.Version.ToString();
+    public override string DisplayText => infos.Version?.ToString() ?? string.Empty;
     public IActionSetInfos Infos => infos;
     public override IImage? Image => AppGlobals.Symbols.GetImageSource(infos.IsPublic ? AppSymbols.eye : AppSymbols.invisible);