diff --git a/code/nel/include/nel/gui/group_tab.h b/code/nel/include/nel/gui/group_tab.h
index f294e65d4..463301c17 100644
--- a/code/nel/include/nel/gui/group_tab.h
+++ b/code/nel/include/nel/gui/group_tab.h
@@ -157,6 +157,7 @@ namespace NLGUI
 
 		void setProperty( const std::string &name, const std::string &value );
 		std::string getProperty( const std::string &name ) const;
+		xmlNodePtr serialize( xmlNodePtr parentNode, const char *type ) const;
 
 		virtual bool parse (xmlNodePtr cur, CInterfaceGroup *parentGroup);
 
diff --git a/code/nel/src/gui/group_tab.cpp b/code/nel/src/gui/group_tab.cpp
index bf08857c4..0987fa56b 100644
--- a/code/nel/src/gui/group_tab.cpp
+++ b/code/nel/src/gui/group_tab.cpp
@@ -792,6 +792,17 @@ namespace NLGUI
 			CCtrlTextButton::setProperty( name, value );
 	}
 
+	xmlNodePtr CCtrlTabButton::serialize( xmlNodePtr parentNode, const char *type ) const
+	{
+		xmlNodePtr node = CCtrlTextButton::serialize( parentNode, type );
+		if( node == NULL )
+			return NULL;
+
+		xmlNewProp( node, BAD_CAST "group", BAD_CAST _AssociatedGroup.c_str() );
+
+		return node;
+	}
+
 	// ***************************************************************************
 	bool CCtrlTabButton::parse (xmlNodePtr cur, CInterfaceGroup *parentGroup)
 	{