diff --git a/code/nel/tools/pipeline/max/class_directory_3.cpp b/code/nel/tools/pipeline/max/class_directory_3.cpp
index 2cae1278a..e64ea3550 100644
--- a/code/nel/tools/pipeline/max/class_directory_3.cpp
+++ b/code/nel/tools/pipeline/max/class_directory_3.cpp
@@ -35,8 +35,9 @@
 // #include <nel/misc/debug.h>
 
 // Project includes
+#include "dll_directory.h"
 
-using namespace std;
+// using namespace std;
 // using namespace NLMISC;
 
 namespace PIPELINE {
@@ -264,7 +265,7 @@ uint16 CClassDirectory3::getOrCreateIndex(const ISceneClassDesc *sceneClassDesc)
 		return it->second;
 
 	// Create new entry
-	CClassEntry *classEntry = new CClassEntry(sceneClassDesc);
+	CClassEntry *classEntry = new CClassEntry(m_DllDirectory, sceneClassDesc);
 	uint16 index = m_Entries.size();
 	m_ClassIdToIndex[classEntry->classId()] = index;
 	m_Entries.push_back(classEntry);
@@ -299,11 +300,11 @@ CClassEntry::CClassEntry() : m_Header(NULL), m_Name(NULL)
 
 }
 
-CClassEntry::CClassEntry(const ISceneClassDesc *sceneClassDesc) : m_Header(new CClassEntryHeader()), m_Name(new CStorageValue<ucstring>())
+CClassEntry::CClassEntry(CDllDirectory *dllDirectory, const ISceneClassDesc *sceneClassDesc) : m_Header(new CClassEntryHeader()), m_Name(new CStorageValue<ucstring>())
 {
 	Chunks.push_back(TStorageObjectWithId(0x2060, m_Header));
 	Chunks.push_back(TStorageObjectWithId(0x2042, m_Name));
-	m_Header->DllIndex = -9; // Invalid temporary value
+	m_Header->DllIndex = dllDirectory->getOrCreateIndex(sceneClassDesc->dllPluginDesc());
 	m_Header->ClassId = sceneClassDesc->classId();
 	m_Header->SuperClassId = sceneClassDesc->superClassId();
 	m_Name->Value = sceneClassDesc->displayName();
diff --git a/code/nel/tools/pipeline/max/class_directory_3.h b/code/nel/tools/pipeline/max/class_directory_3.h
index d3f8dbd76..f6e3e9b15 100644
--- a/code/nel/tools/pipeline/max/class_directory_3.h
+++ b/code/nel/tools/pipeline/max/class_directory_3.h
@@ -121,7 +121,7 @@ class CClassEntry : public CStorageContainer
 {
 public:
 	CClassEntry();
-	CClassEntry(const ISceneClassDesc *sceneClassDesc);
+	CClassEntry(CDllDirectory *dllDirectory, const ISceneClassDesc *sceneClassDesc);
 	virtual ~CClassEntry();
 
 	// inherited
diff --git a/code/nel/tools/pipeline/max/dll_directory.cpp b/code/nel/tools/pipeline/max/dll_directory.cpp
index 01a565e30..c38232c5e 100644
--- a/code/nel/tools/pipeline/max/dll_directory.cpp
+++ b/code/nel/tools/pipeline/max/dll_directory.cpp
@@ -253,7 +253,7 @@ void CDllDirectory::reset()
 }
 
 // Parallel to CClassDirectory3
-uint16 CDllDirectory::getOrCreateIndex(const IDllPluginDesc *dllPluginDesc)
+uint16 CDllDirectory::getOrCreateIndex(const IDllPluginDescInternal *dllPluginDesc)
 {
 	nlassert(!ChunksOwnsPointers);
 	std::map<ucstring, uint16>::iterator it = m_InternalNameToIndex.find(NLMISC::toLower(ucstring(dllPluginDesc->internalName())));
@@ -303,7 +303,7 @@ CDllEntry::CDllEntry() : m_DllDescription(NULL), m_DllFilename(NULL)
 
 }
 
-CDllEntry::CDllEntry(const IDllPluginDesc *dllPluginDesc) : m_DllDescription(new CStorageValue<ucstring>()), m_DllFilename(new CStorageValue<ucstring>())
+CDllEntry::CDllEntry(const IDllPluginDescInternal *dllPluginDesc) : m_DllDescription(new CStorageValue<ucstring>()), m_DllFilename(new CStorageValue<ucstring>())
 {
 	Chunks.push_back(TStorageObjectWithId(0x2039, m_DllDescription));
 	Chunks.push_back(TStorageObjectWithId(0x2037, m_DllFilename));
diff --git a/code/nel/tools/pipeline/max/dll_directory.h b/code/nel/tools/pipeline/max/dll_directory.h
index 0de5312c2..728fbdce5 100644
--- a/code/nel/tools/pipeline/max/dll_directory.h
+++ b/code/nel/tools/pipeline/max/dll_directory.h
@@ -69,7 +69,7 @@ public:
 	// Reset the dll directory, all dll entry pointers become invalid, use internal name and dll plugin registry
 	void reset();
 	// Get or create the chunk index for a dll by dll plugin description
-	uint16 getOrCreateIndex(const IDllPluginDesc *dllPluginDesc);
+	uint16 getOrCreateIndex(const IDllPluginDescInternal *dllPluginDesc);
 
 protected:
 	virtual IStorageObject *createChunkById(uint16 id, bool container);
@@ -91,7 +91,7 @@ class CDllEntry : public CStorageContainer
 {
 public:
 	CDllEntry();
-	CDllEntry(const IDllPluginDesc *dllPluginDesc);
+	CDllEntry(const IDllPluginDescInternal *dllPluginDesc);
 	virtual ~CDllEntry();
 
 	// inherited
diff --git a/code/nel/tools/pipeline/max/scene_class.cpp b/code/nel/tools/pipeline/max/scene_class.cpp
index 6d4acce01..6a0ec6330 100644
--- a/code/nel/tools/pipeline/max/scene_class.cpp
+++ b/code/nel/tools/pipeline/max/scene_class.cpp
@@ -92,11 +92,11 @@ IStorageObject *CSceneClass::createChunkById(uint16 id, bool container)
 
 const ucchar *CSceneClass::DisplayName = ucstring("Scene Class").c_str();
 const char *CSceneClass::InternalName = "SceneClass";
-const NLMISC::CClassId CSceneClass::ClassId = NLMISC::CClassId::Null;
-const TSClassId CSceneClass::SuperClassId = 0x0000;
+const NLMISC::CClassId CSceneClass::ClassId = NLMISC::CClassId::Null; // This class is invalid
+const TSClassId CSceneClass::SuperClassId = 0x0000; // This class is invalid
 
 namespace {
-static const CSceneClassDesc<CSceneClass> SceneClassDesc;
+static const CSceneClassDesc<CSceneClass> SceneClassDesc(static_cast<const IDllPluginDescInternal *>(&DllPluginDescBuiltin));
 } /* anonymous namespace */
 
 const ISceneClassDesc *CSceneClass::getClassDesc()
diff --git a/code/nel/tools/pipeline/max/scene_class.h b/code/nel/tools/pipeline/max/scene_class.h
index 43e4431d2..f9fb62673 100644
--- a/code/nel/tools/pipeline/max/scene_class.h
+++ b/code/nel/tools/pipeline/max/scene_class.h
@@ -37,6 +37,7 @@
 // Project includes
 #include "storage_object.h"
 #include "storage_value.h"
+#include "dll_plugin_desc.h"
 
 namespace PIPELINE {
 namespace MAX {
@@ -95,6 +96,7 @@ public:
 	virtual const char *internalName() const = 0;
 	virtual NLMISC::CClassId classId() const = 0;
 	virtual TSClassId superClassId() const = 0;
+	virtual const IDllPluginDescInternal *dllPluginDesc() const = 0;
 
 }; /* class ISceneClassDesc */
 
@@ -109,12 +111,16 @@ template <typename T>
 class CSceneClassDesc : public ISceneClassDesc
 {
 public:
+	CSceneClassDesc(const IDllPluginDescInternal *dllPluginDesc) : m_DllPluginDesc(dllPluginDesc) { }
 	virtual CSceneClass *create() const { return static_cast<CSceneClass *>(new T()); }
 	virtual void destroy(CSceneClass *sc) const { delete static_cast<T *>(sc); }
 	virtual const ucchar *displayName() const { return T::DisplayName; }
 	virtual const char *internalName() const { return T::InternalName; }
 	virtual NLMISC::CClassId classId() const { return T::ClassId; }
 	virtual TSClassId superClassId() const { return T::SuperClassId; }
+	virtual const IDllPluginDescInternal *dllPluginDesc() const { return m_DllPluginDesc; }
+private:
+	const IDllPluginDescInternal *m_DllPluginDesc;
 
 }; /* class CSceneClassDesc */