diff --git a/stepmania/src/Actor.cpp b/stepmania/src/Actor.cpp
index 1461d57052..99e0465ed1 100644
--- a/stepmania/src/Actor.cpp
+++ b/stepmania/src/Actor.cpp
@@ -101,6 +101,7 @@ void Actor::UnsubcribeAndClearCommands()
 
 Actor::Actor()
 {
+	m_pLuaInstance = new LuaClass;
 	m_size = RageVector2( 1, 1 );
 	Reset();
 	m_bFirstUpdate = true;
@@ -1336,7 +1337,7 @@ public:
 	}
 };
 
-LUA_REGISTER_CLASS( Actor )
+LUA_REGISTER_INSTANCED_BASE_CLASS( Actor )
 // lua end
 
 
diff --git a/stepmania/src/Actor.h b/stepmania/src/Actor.h
index bde414e3be..ec8e6b0808 100644
--- a/stepmania/src/Actor.h
+++ b/stepmania/src/Actor.h
@@ -4,12 +4,14 @@
 #define ACTOR_H
 
 #include "RageTypes.h"
+#include "RageUtil_AutoPtr.h"
 #include "ActorCommands.h"
 #include <deque>
 #include <map>
 struct XNode;
 struct lua_State;
 class LuaReference;
+class LuaClass;
 #include "MessageManager.h"
 
 
@@ -333,6 +335,7 @@ public:
 	// Lua
 	//
 	virtual void PushSelf( lua_State *L );
+	HiddenPtr<LuaClass> m_pLuaInstance;
 
 	//
 	// Commands