diff --git a/main.cpp b/main.cpp
index 50a7aa2..c3fffe1 100644
--- a/main.cpp
+++ b/main.cpp
@@ -19,8 +19,8 @@ main(int argc, char *argv[])
 //	Rw::Build = 0;
 
 	registerNodeNamePlugin();
-	registerMeshPlugin();
 	registerNativeDataPlugin();
+	registerMeshPlugin();
 	Rw::Clump *c;
 
 	ifstream in(argv[1], ios::binary);
diff --git a/plugins.cpp b/plugins.cpp
index 3d90fbd..372951f 100644
--- a/plugins.cpp
+++ b/plugins.cpp
@@ -183,6 +183,17 @@ registerMeshPlugin(void)
 
 // Native Data
 
+static void*
+destroyNativeData(void *object, int32 offset, int32 size)
+{
+	Geometry *geometry = (Geometry*)object;
+	if(geometry->instData == NULL)
+		return object;
+	if(geometry->instData->platform == PLATFORM_PS2)
+		return DestroyNativeDataPS2(object, offset, size);
+	return object;
+}
+
 static void
 readNativeData(istream &stream, int32 len, void *object, int32 o, int32 s)
 {
@@ -236,7 +247,7 @@ getSizeNativeData(void *object, int32 offset, int32 size)
 void
 registerNativeDataPlugin(void)
 {
-	Rw::Geometry::registerPlugin(0, 0x510, NULL, NULL, NULL);
+	Rw::Geometry::registerPlugin(0, 0x510, NULL, destroyNativeData, NULL);
 	Rw::Geometry::registerPluginStream(0x510, (StreamRead)readNativeData,
 	                                   (StreamWrite)writeNativeData,
 	                                   (StreamGetSize)getSizeNativeData);
diff --git a/ps2.cpp b/ps2.cpp
index d2ffc6f..a000eb8 100644
--- a/ps2.cpp
+++ b/ps2.cpp
@@ -15,8 +15,22 @@ using namespace std;
 
 namespace Rw {
 
+void*
+DestroyNativeDataPS2(void *object, int32, int32)
+{
+	Geometry *geometry = (Geometry*)object;
+	assert(geometry->instData->platform == PLATFORM_PS2);
+	PS2InstanceDataHeader *header =
+		(PS2InstanceDataHeader*)geometry->instData;
+	for(uint32 i = 0; i < header->numMeshes; i++)
+		delete[] header->instanceMeshes[i].data;
+	delete[] header->instanceMeshes;
+	delete header;
+	return object;
+}
+
 void
-ReadNativeDataPS2(istream &stream, int32 len, void *object, int32, int32)
+ReadNativeDataPS2(istream &stream, int32, void *object, int32, int32)
 {
 	Geometry *geometry = (Geometry*)object;
 	assert(FindChunk(stream, ID_STRUCT, NULL, NULL));
@@ -43,7 +57,8 @@ WriteNativeDataPS2(ostream &stream, int32 len, void *object, int32, int32)
 {
 	Geometry *geometry = (Geometry*)object;
 	WriteChunkHeader(stream, ID_STRUCT, len-12);
-	writeUInt32(4, stream);
+	assert(geometry->instData->platform == PLATFORM_PS2);
+	writeUInt32(PLATFORM_PS2, stream);
 	assert(geometry->instData != NULL);
 	PS2InstanceDataHeader *header =
 		(PS2InstanceDataHeader*)geometry->instData;
@@ -62,6 +77,7 @@ GetSizeNativeDataPS2(void *object, int32, int32)
 {
 	Geometry *geometry = (Geometry*)object;
 	int32 size = 16;
+	assert(geometry->instData->platform == PLATFORM_PS2);
 	assert(geometry->instData != NULL);
 	PS2InstanceDataHeader *header =
 		(PS2InstanceDataHeader*)geometry->instData;
diff --git a/rwps2.h b/rwps2.h
index 1fa370e..e3b2b8b 100644
--- a/rwps2.h
+++ b/rwps2.h
@@ -14,6 +14,7 @@ struct PS2InstanceDataHeader : InstanceDataHeader
 	PS2InstanceData *instanceMeshes;
 };
 
+void *DestroyNativeDataPS2(void *object, int32, int32);
 void ReadNativeDataPS2(std::istream &stream, int32 len, void *object, int32, int32);
 void WriteNativeDataPS2(std::ostream &stream, int32 len, void *object, int32, int32);
 int32 GetSizeNativeDataPS2(void *object, int32, int32);