diff --git a/code/nel/include/nel/gui/group_container.h b/code/nel/include/nel/gui/group_container.h
index 452674aa1..dcc3e9759 100644
--- a/code/nel/include/nel/gui/group_container.h
+++ b/code/nel/include/nel/gui/group_container.h
@@ -274,10 +274,13 @@ namespace NLGUI
 		// Lua exports
 		int luaBlink(CLuaState &ls);
 		int luaSetHeaderColor(CLuaState &ls);
+		int luaSetModalParentList(CLuaState &ls);
 
 		REFLECT_EXPORT_START(CGroupContainer, CGroupContainerBase)
 			REFLECT_LUA_METHOD("blink", luaBlink);
 			REFLECT_LUA_METHOD("setHeaderColor", luaSetHeaderColor);
+			REFLECT_LUA_METHOD("setModalParentList", luaSetModalParentList);
+			
 			REFLECT_STRING("title", getTitle, setTitle);
 			REFLECT_STRING("title_opened", getTitleOpened, setTitleOpened);
 			REFLECT_STRING("title_closed", getTitleClosed, setTitleClosed);
diff --git a/code/nel/src/gui/group_container.cpp b/code/nel/src/gui/group_container.cpp
index a21734fdb..0f35e6486 100644
--- a/code/nel/src/gui/group_container.cpp
+++ b/code/nel/src/gui/group_container.cpp
@@ -4756,6 +4756,7 @@ namespace NLGUI
 			if (_Resizer[k]) _Resizer[k]->HMax = maxH;
 		}
 	}
+
 	// ***************************************************************************
 	int CGroupContainer::luaSetHeaderColor(CLuaState &ls)
 	{
@@ -4765,6 +4766,16 @@ namespace NLGUI
 		_HeaderColor.link(ls.toString(1));
 		return 0;
 	}
+	
+	// ***************************************************************************
+	int CGroupContainer::luaSetModalParentList(CLuaState &ls)
+	{
+		const char *funcName = "setModalParentList";
+		CLuaIHM::checkArgCount(ls, funcName, 1);
+		CLuaIHM::checkArgType(ls, funcName, 1, LUA_TSTRING);
+		setModalParentList(ls.toString(1));
+		return 0;
+	}
 
 	// ***************************************************************************
 	CRGBA	CGroupContainer::getDrawnHeaderColor () const