diff --git a/UI/MainForm.cs b/UI/MainForm.cs
index 44383e11..243c6a18 100644
--- a/UI/MainForm.cs
+++ b/UI/MainForm.cs
@@ -261,7 +261,7 @@ private void ExecManager_OnSimAircraftChanged(object sender, string aircraftName
         {
             if (this.InvokeRequired)
             {
-                this.Invoke(new UpdateAircraftCallback(UpdateAircraft), new object[] { aircraftName });
+                this.Invoke(new EventHandler<string>(ExecManager_OnSimAircraftChanged), new object[] { sender, aircraftName });
             }
             else
             {