diff --git a/code/nel/tools/pipeline/max/storage_chunks.cpp b/code/nel/tools/pipeline/max/storage_chunks.cpp
index 5edf1fdaa..b8cfbbd03 100644
--- a/code/nel/tools/pipeline/max/storage_chunks.cpp
+++ b/code/nel/tools/pipeline/max/storage_chunks.cpp
@@ -111,6 +111,9 @@ bool CStorageChunks::enterChunk()
 			if (iscont) chunk->Size |= 0x80000000;
 			m_Is64Bit = true; // it's true
 		}
+#ifdef NL_DEBUG_STORAGE
+		nldebug("Entered reading chunk of size %i", chunk->Size);
+#endif
 		return true;
 	}
 	else
@@ -126,6 +129,10 @@ bool CStorageChunks::enterChunk(uint16 id, bool container)
 {
 	if (!m_Stream.isReading())
 	{
+#ifdef NL_DEBUG_STORAGE
+		nldebug("Writing, enter chunk");
+#endif
+
 		if (m_Is64Bit)
 			throw NLMISC::EStream("64bit chunks not supported");
 
@@ -171,6 +178,9 @@ sint32 CStorageChunks::leaveChunk()
 	}
 	else
 	{
+#ifdef NL_DEBUG_STORAGE
+		nldebug("Writing, leave chunk");
+#endif
 		sint32 pos = m_Stream.getPos();
 		sint32 sizeWithHeader = pos - currentChunk()->OffsetBegin;
 		sint32 sizePos = currentChunk()->OffsetBegin + 2;
@@ -179,6 +189,9 @@ sint32 CStorageChunks::leaveChunk()
 		m_Stream.serial(sizeField);
 		m_Stream.seek(pos, NLMISC::IStream::begin);
 		m_Chunks.resize(m_Chunks.size() - 1);
+#ifdef NL_DEBUG_STORAGE
+		nldebug("Size: %i, Field: %x", sizeWithHeader, sizeField);
+#endif
 		return sizeWithHeader;
 	}
 }
diff --git a/code/nel/tools/pipeline/max/storage_object.cpp b/code/nel/tools/pipeline/max/storage_object.cpp
index 8bc95960d..3d91a164c 100644
--- a/code/nel/tools/pipeline/max/storage_object.cpp
+++ b/code/nel/tools/pipeline/max/storage_object.cpp
@@ -41,7 +41,7 @@
 // using namespace std;
 // using namespace NLMISC;
 
-#define NL_DEBUG_STORAGE
+// #define NL_DEBUG_STORAGE
 
 namespace PIPELINE {
 namespace MAX {
@@ -120,13 +120,17 @@ void CStorageContainer::serial(NLMISC::IStream &stream)
 		CStorageStream *storageStream = dynamic_cast<CStorageStream *>(&stream);
 		if (storageStream)
 		{
-			// implicitly assume the entire stream is the container
+#ifdef NL_DEBUG_STORAGE
+			nldebug("Implicitly assume the entire stream is the container");
+#endif
 			CStorageChunks chunks(stream, stream.isReading() ? storageStream->size() : 0);
 			serial(chunks);
 			return;
 		}
 	}
-	// wrapping the container inside a stream with necessary size markers
+#ifdef NL_DEBUG_STORAGE
+	nldebug("Wrapping the container inside a stream with necessary size markers");
+#endif
 	{
 		const uint32 magic = 0xC0C01473;
 		stream.serialCheck(magic);
@@ -134,7 +138,9 @@ void CStorageContainer::serial(NLMISC::IStream &stream)
 		sint32 sizePos;
 		bool reading = stream.isReading();
 		if (!reading)
+		{
 			sizePos = stream.getPos();
+		}
 		sint64 size = 0;
 		stream.serial(size);
 		CStorageChunks chunks(stream, size);
@@ -142,10 +148,25 @@ void CStorageContainer::serial(NLMISC::IStream &stream)
 		if (!reading)
 		{
 			sint32 returnPos = stream.getPos();
+#ifdef NL_DEBUG_STORAGE
+			nldebug("current (return) pos is %i", stream.getPos());
+#endif
+			size = returnPos - sizePos - 8;
 			stream.seek(sizePos, NLMISC::IStream::begin);
+#ifdef NL_DEBUG_STORAGE
+			nldebug("current (size) pos is %i", stream.getPos());
+#endif
 			stream.serial(size);
 			stream.seek(returnPos, NLMISC::IStream::begin);
+#ifdef NL_DEBUG_STORAGE
+			nldebug("sizePos is %i", sizePos);
+			nldebug("returnPos is %i", returnPos);
+			nldebug("current (return) pos is %i", stream.getPos());
+#endif
 		}
+#ifdef NL_DEBUG_STORAGE
+		nldebug("Chunk container wrapper size is %i", size);
+#endif
 		return;
 	}
 }
@@ -227,6 +248,9 @@ void CStorageContainer::serial(CStorageChunks &chunks)
 {
 	if (chunks.stream().isReading())
 	{
+#ifdef NL_DEBUG_STORAGE
+		nldebug("Reading container chunk");
+#endif
 		nlassert(ChunksOwnsPointers);
 		nlassert(Chunks.empty());
 		while (chunks.enterChunk())
@@ -247,10 +271,15 @@ void CStorageContainer::serial(CStorageChunks &chunks)
 	}
 	else
 	{
+#ifdef NL_DEBUG_STORAGE
+		nldebug("Writing container chunk");
+#endif
 		for (TStorageObjectContainer::iterator it = Chunks.begin(), end = Chunks.end(); it != end; ++it)
 		{
 			chunks.enterChunk(it->first, it->second->isContainer());
-			it->second->serial(chunks.stream());
+			IStorageObject *storageObject = it->second;
+			if (storageObject->isContainer()) static_cast<CStorageContainer *>(storageObject)->serial(chunks);
+			else storageObject->serial(chunks.stream());
 			chunks.leaveChunk();
 		}
 	}
diff --git a/code/nel/tools/pipeline/max_dump/main.cpp b/code/nel/tools/pipeline/max_dump/main.cpp
index 47adf5f5d..4a1cca04a 100644
--- a/code/nel/tools/pipeline/max_dump/main.cpp
+++ b/code/nel/tools/pipeline/max_dump/main.cpp
@@ -16,6 +16,8 @@
 #include <vector>
 #include <utility>
 
+#include <nel/misc/file.h>
+
 #include "../max/storage_stream.h"
 #include "../max/storage_object.h"
 #include "../max/dll_directory.h"
@@ -82,7 +84,18 @@ int main(int argc, char **argv)
 	input = gsf_infile_child_by_name(infile, "DllDirectory");
 	{
 		PIPELINE::MAX::CStorageStream instream(input);
-		dllDirectory.serial(instream);
+		PIPELINE::MAX::CStorageContainer ctr;
+		ctr.serial(instream);
+		{
+			NLMISC::COFile of("temp.bin");
+			ctr.serial(of); // out
+			// nldebug("Written %i bytes", of.getPos());
+		}
+		{
+			NLMISC::CIFile inf("temp.bin");
+			dllDirectory.serial(inf); // in
+		}
+		//dllDirectory.serial(instream);
 	}
 	g_object_unref(input);
 	//dllDirectory.toString(std::cout);