diff --git a/src/dthinker.h b/src/dthinker.h
index 10a53309d6..855c3c9ad9 100644
--- a/src/dthinker.h
+++ b/src/dthinker.h
@@ -77,6 +77,11 @@ public:
 	static void RunThinkers (int statnum);
 	static void DestroyAllThinkers ();
 	static void DestroyMostThinkers ();
+	static void DestroyThinkersInList(int statnum)
+	{
+		DestroyThinkersInList(Thinkers[STAT_TRAVELLING]);
+		DestroyThinkersInList(FreshThinkers[STAT_TRAVELLING]);
+	}
 	static void SerializeAll (FArchive &arc, bool keepPlayers);
 	static void MarkRoots();
 
diff --git a/src/g_level.cpp b/src/g_level.cpp
index e47cbb4a55..60e9b06990 100644
--- a/src/g_level.cpp
+++ b/src/g_level.cpp
@@ -1295,6 +1295,11 @@ void G_FinishTravel ()
 	}
 
 	bglobal.FinishTravel ();
+
+	// make sure that, after travelling has completed, no travelling thinkers are left.
+	// Since this list is excluded from regular thinker cleaning, anything that may survive through here
+	// will endlessly multiply and severely break the following savegames or just simply crash on broken pointers.
+	DThinker::DestroyThinkersInList(STAT_TRAVELLING);
 }
  
 //==========================================================================