diff --git a/code/nel/tools/pipeline/max/builtin/animatable.cpp b/code/nel/tools/pipeline/max/builtin/animatable.cpp
index 13d2ac7aa..6252879f6 100644
--- a/code/nel/tools/pipeline/max/builtin/animatable.cpp
+++ b/code/nel/tools/pipeline/max/builtin/animatable.cpp
@@ -85,8 +85,13 @@ void CAnimatable::init()
 	CSceneClass::init();
 }
 
-// inherited
-const ISceneClassDesc *CAnimatable::classDesc()
+bool CAnimatable::inherits(const NLMISC::CClassId classId) const
+{
+	if (classId == classDesc()->classId()) return true;
+	return CSceneClass::inherits(classId);
+}
+
+const ISceneClassDesc *CAnimatable::classDesc() const
 {
 	return &AnimatableClassDesc;
 }
diff --git a/code/nel/tools/pipeline/max/builtin/animatable.h b/code/nel/tools/pipeline/max/builtin/animatable.h
index f127ee2b8..fd586db32 100644
--- a/code/nel/tools/pipeline/max/builtin/animatable.h
+++ b/code/nel/tools/pipeline/max/builtin/animatable.h
@@ -66,7 +66,8 @@ public:
 	virtual void build(uint16 version);
 	virtual void disown();
 	virtual void init();
-	virtual const ISceneClassDesc *classDesc();
+	virtual bool inherits(const NLMISC::CClassId classId) const;
+	virtual const ISceneClassDesc *classDesc() const;
 	virtual void toStringLocal(std::ostream &ostream, const std::string &pad = "") const;
 
 }; /* class CAnimatable */
diff --git a/code/nel/tools/pipeline/max/scene_class.cpp b/code/nel/tools/pipeline/max/scene_class.cpp
index 891c65bed..bf47140dd 100644
--- a/code/nel/tools/pipeline/max/scene_class.cpp
+++ b/code/nel/tools/pipeline/max/scene_class.cpp
@@ -181,7 +181,7 @@ IStorageObject *CSceneClass::createChunkById(uint16 id, bool container)
 	return CStorageContainer::createChunkById(id, container);
 }
 
-const ucchar *CSceneClass::DisplayName = ucstring("Scene Class").c_str();
+const ucchar *CSceneClass::DisplayName = ucstring("Invalid Scene Class").c_str();
 const char *CSceneClass::InternalName = "SceneClass";
 const NLMISC::CClassId CSceneClass::ClassId = NLMISC::CClassId::Null; // This class is invalid
 const TSClassId CSceneClass::SuperClassId = 0x0000; // This class is invalid
@@ -190,7 +190,12 @@ namespace {
 static const CSceneClassDesc<CSceneClass> SceneClassDesc(static_cast<const IDllPluginDescInternal *>(&DllPluginDescBuiltin));
 } /* anonymous namespace */
 
-const ISceneClassDesc *CSceneClass::classDesc()
+bool CSceneClass::inherits(const NLMISC::CClassId classId) const
+{
+	return false;
+}
+
+const ISceneClassDesc *CSceneClass::classDesc() const
 {
 	return static_cast<const ISceneClassDesc *>(&SceneClassDesc);
 }
diff --git a/code/nel/tools/pipeline/max/scene_class.h b/code/nel/tools/pipeline/max/scene_class.h
index f90639d82..c9029798c 100644
--- a/code/nel/tools/pipeline/max/scene_class.h
+++ b/code/nel/tools/pipeline/max/scene_class.h
@@ -91,8 +91,10 @@ public:
 
 	//! \name More virtual functionality for inheriting classes to implement
 	//@{
+	/// Returns whether the class inherits from a class with given class id
+	virtual bool inherits(const NLMISC::CClassId classId) const;
 	/// Return the class description of the inheriting class
-	virtual const ISceneClassDesc *classDesc();
+	virtual const ISceneClassDesc *classDesc() const;
 	/// Create a readable representation of this class
 	virtual void toStringLocal(std::ostream &ostream, const std::string &pad = "") const;
 	//@}
diff --git a/code/nel/tools/pipeline/max/scene_class_unknown.h b/code/nel/tools/pipeline/max/scene_class_unknown.h
index c27375ed0..b6c47a3d4 100644
--- a/code/nel/tools/pipeline/max/scene_class_unknown.h
+++ b/code/nel/tools/pipeline/max/scene_class_unknown.h
@@ -100,7 +100,7 @@ public:
 	virtual ~CSceneClassUnknown() { }
 
 	// inherited
-	virtual const ISceneClassDesc *classDesc() { return &m_Desc; }
+	virtual const ISceneClassDesc *classDesc() const { return &m_Desc; }
 
 private:
 	CSceneClassUnknownDesc m_Desc;