Fix the NullReference bug when closing the vessel GUI in flight

KSP-TaxiService · Jun 17, 2017 · f65c24e · f65c24e
1 parent 58f9843
commit f65c24e
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/CommNetConstellation/UI/VesselSetupDialog.cs b/src/CommNetConstellation/UI/VesselSetupDialog.cs
@@ -51,7 +51,9 @@ public VesselSetupDialog(string title, Vessel vessel, Callback<Vessel>  updateCa
 
         protected override void OnPreDismiss()
         {
-            this.updateCallback(this.hostVessel);
+            if(this.updateCallback != null)
+                this.updateCallback(this.hostVessel);
+
             this.ReleaseInputLocks();
         }