diff --git a/EDPlayerJournal/Thargoid.cs b/EDPlayerJournal/Thargoid.cs
index 7d9e045..aff3395 100644
--- a/EDPlayerJournal/Thargoid.cs
+++ b/EDPlayerJournal/Thargoid.cs
@@ -53,7 +53,7 @@ public class Thargoid {
     };
 
     public static Dictionary<ThargoidVessel, string?> VesselNames { get; } = new() {
-        { ThargoidVessel.Unknown, null },
+        { ThargoidVessel.Unknown, "(Unknown)" },
         { ThargoidVessel.Revenant, "Revenant" },
         { ThargoidVessel.Scout, "Scout" },
         { ThargoidVessel.Orthrus, "Orthrus" },