diff --git a/Source/CrewQueueRoster.cs b/Source/CrewQueueRoster.cs
index 919886a..765ab5a 100644
--- a/Source/CrewQueueRoster.cs
+++ b/Source/CrewQueueRoster.cs
@@ -242,6 +242,7 @@ public static void SetLastMissionData(this ProtoCrewMember kerbal, double newMis
         {
             CrewQueueRoster.Instance.GetExtForKerbal(kerbal).LastMissionDuration = newMissionDuration;
             CrewQueueRoster.Instance.GetExtForKerbal(kerbal).LastMissionEndTime = currentTime;
+            GamePersistence.SaveGame("persistent", HighLogic.SaveFolder, SaveMode.OVERWRITE);
         }
 
         public static double GetLastMissionDuration(this ProtoCrewMember kerbal)