From f3a11b4ce25882d2950ef4f1cddbcc6dfb7855ca Mon Sep 17 00:00:00 2001
From: sug44 <ilya.sug4@gmail.com>
Date: Thu, 14 May 2026 15:16:43 +0300
Subject: [PATCH] Fix NRE in GetHashCode for unloaded vessels

Can be triggered by using an unloaded vessel as a key in lexicons and uniquesets
---
 src/kOS/Suffixed/VesselTarget.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/kOS/Suffixed/VesselTarget.cs b/src/kOS/Suffixed/VesselTarget.cs
index 1ab591fd4..d5adefc29 100644
--- a/src/kOS/Suffixed/VesselTarget.cs
+++ b/src/kOS/Suffixed/VesselTarget.cs
@@ -550,7 +550,7 @@ public override bool Equals(object obj)
 
         public override int GetHashCode()
         {
-            return Vessel.rootPart.flightID.GetHashCode();
+            return Vessel.id.GetHashCode();
         }
 
         public static bool operator ==(VesselTarget left, VesselTarget right)