diff --git a/docs/rh-log.txt b/docs/rh-log.txt
index 489e1365fa..f82982462f 100644
--- a/docs/rh-log.txt
+++ b/docs/rh-log.txt
@@ -1,4 +1,5 @@
 July 16, 2006 (Changes by Graf Zahl)
+- Added replacement handling to A_BossDeath.
 - Fixed: The check for no skill menu was incorrect when a custom player
   class menu was present so instead of starting the game specific skill menu
   it always started Hexen's.
diff --git a/src/info.cpp b/src/info.cpp
index ef186db518..17244db49e 100644
--- a/src/info.cpp
+++ b/src/info.cpp
@@ -320,6 +320,21 @@ FActorInfo *FActorInfo::GetReplacement ()
 	return rep;
 }
 
+FActorInfo *FActorInfo::GetReplacee ()
+{
+	if (Replacee == NULL)
+	{
+		return this;
+	}
+	// The Replacee field is temporarily NULLed to prevent
+	// potential infinite recursion.
+	FActorInfo *savedrep = Replacee;
+	Replacee = NULL;
+	FActorInfo *rep = savedrep->GetReplacee ();
+	Replacee = savedrep;
+	return rep;
+}
+
 FDoomEdMap DoomEdMap;
 
 FDoomEdMap::FDoomEdEntry *FDoomEdMap::DoomEdHash[DOOMED_HASHSIZE];
diff --git a/src/info.h b/src/info.h
index 996ccd72fd..6ec947e5f1 100644
--- a/src/info.h
+++ b/src/info.h
@@ -385,10 +385,12 @@ struct FActorInfo
 	void ApplyDefaults (BYTE *defaults);
 	void RegisterIDs ();
 	FActorInfo *GetReplacement ();
+	FActorInfo *GetReplacee ();
 
 	PClass *Class;
 	FState *OwnedStates;
 	FActorInfo *Replacement;
+	FActorInfo *Replacee;
 	int NumOwnedStates;
 	BYTE GameFilter;
 	BYTE SpawnID;
diff --git a/src/infomacros.h b/src/infomacros.h
index 31ea79dd13..51a171c3c9 100644
--- a/src/infomacros.h
+++ b/src/infomacros.h
@@ -173,12 +173,12 @@ public:
 
 #define BEGIN_DEFAULTS(actor,game,ednum,spawnid) \
 	BEGIN_DEFAULTS_PRE(actor) \
-	RUNTIME_CLASS(actor), &actor::States[0], NULL, countof(actor::States), \
+	RUNTIME_CLASS(actor), &actor::States[0], NULL, NULL, countof(actor::States), \
 	BEGIN_DEFAULTS_POST(actor,game,ednum,spawnid)
 
 #define BEGIN_STATELESS_DEFAULTS(actor,game,ednum,spawnid) \
 	BEGIN_DEFAULTS_PRE(actor) \
-	RUNTIME_CLASS(actor), NULL, NULL, 0, \
+	RUNTIME_CLASS(actor), NULL, NULL, NULL, 0, \
 	BEGIN_DEFAULTS_POST(actor,game,ednum,spawnid)
 
 // IMPLEMENT_ACTOR combines IMPLEMENT_CLASS and BEGIN_DEFAULTS
diff --git a/src/p_enemy.cpp b/src/p_enemy.cpp
index 3d050a6a59..20ead2a295 100644
--- a/src/p_enemy.cpp
+++ b/src/p_enemy.cpp
@@ -2377,14 +2377,17 @@ bool CheckBossDeath (AActor *actor)
 //
 void A_BossDeath (AActor *actor)
 {
-	FName type = actor->GetClass()->TypeName;
+	FName mytype = actor->GetClass()->TypeName;
+
+	// Ugh...
+	FName type = actor->GetClass()->ActorInfo->GetReplacee()->Class->TypeName;
 	
 	// Do generic special death actions first
 	bool checked = false;
 	FSpecialAction *sa = level.info->specialactions;
 	while (sa)
 	{
-		if (type == sa->Type)
+		if (type == sa->Type || mytype == sa->Type)
 		{
 			if (!checked && !CheckBossDeath(actor))
 			{
diff --git a/src/thingdef.cpp b/src/thingdef.cpp
index 1e68f02780..5aac7935dd 100644
--- a/src/thingdef.cpp
+++ b/src/thingdef.cpp
@@ -1263,6 +1263,7 @@ static FActorInfo * CreateNewActor(FActorInfo ** parentc, Baggage *bag)
 			SC_ScriptError ("Replaced type '%s' is not an actor", sc_String);
 		}
 		replacee->ActorInfo->Replacement = ti->ActorInfo;
+		ti->ActorInfo->Replacee = replacee->ActorInfo;
 	}
 	else
 	{