diff --git a/code/nel/include/nel/gui/group_header.h b/code/nel/include/nel/gui/group_header.h
index 124b040db..06f211f9b 100644
--- a/code/nel/include/nel/gui/group_header.h
+++ b/code/nel/include/nel/gui/group_header.h
@@ -44,6 +44,7 @@ namespace NLGUI
 
 		std::string getProperty( const std::string &name ) const;
 		void setProperty( const std::string &name, const std::string &value );
+		xmlNodePtr serialize( xmlNodePtr parentNode, const char *type ) const;
 
 		// from CInterfaceGroup
 		virtual bool parse(xmlNodePtr cur, CInterfaceGroup * parentGroup);
diff --git a/code/nel/src/gui/group_header.cpp b/code/nel/src/gui/group_header.cpp
index 125d9150c..017c5cf1b 100644
--- a/code/nel/src/gui/group_header.cpp
+++ b/code/nel/src/gui/group_header.cpp
@@ -238,6 +238,19 @@ namespace NLGUI
 			return CGroupList::setProperty( name, value );
 	}
 
+
+	xmlNodePtr CGroupHeader::serialize( xmlNodePtr parentNode, const char *type ) const
+	{
+		xmlNodePtr node = CGroupList::serialize( parentNode, type );
+		if( node == NULL )
+			return NULL;
+
+		xmlSetProp( node, BAD_CAST "type", BAD_CAST "header" );
+		xmlSetProp( node, BAD_CAST "header_max_size", BAD_CAST toString( _HeaderMaxSize ).c_str() );
+
+		return node;
+	}
+
 	// *****************************************************************************************************************
 	bool CGroupHeader::parse(xmlNodePtr cur, CInterfaceGroup * parentGroup)
 	{