diff --git a/code/nel/tools/3d/plugin_max/nel_export/nel_export.h b/code/nel/tools/3d/plugin_max/nel_export/nel_export.h
index 75b9807d9..3cf20cf47 100644
--- a/code/nel/tools/3d/plugin_max/nel_export/nel_export.h
+++ b/code/nel/tools/3d/plugin_max/nel_export/nel_export.h
@@ -81,8 +81,8 @@ public:
 	static void deleteLM(INode& ZeNode); // the export scene struct MUST be initialized before calling this fn
 	void			OnNodeProperties (const std::set<INode*> &listNode);
 
-	ULONG SelectFileForSave(HWND Parent, TCHAR* Title, const TCHAR* Mask, std::string &FileName);
-	ULONG SelectDir(HWND Parent, TCHAR* Title, std::string &Path);
+	ULONG SelectFileForSave(HWND Parent, const TCHAR* Title, const TCHAR* Mask, std::string &FileName);
+	ULONG SelectDir(HWND Parent, const TCHAR* Title, std::string &Path);
 
 	// The nel export objtect
 	CExportNel		*_ExportNel;
diff --git a/code/nel/tools/3d/plugin_max/nel_export/nel_export_filetools.cpp b/code/nel/tools/3d/plugin_max/nel_export/nel_export_filetools.cpp
index cbc1ef88d..11020e4fc 100644
--- a/code/nel/tools/3d/plugin_max/nel_export/nel_export_filetools.cpp
+++ b/code/nel/tools/3d/plugin_max/nel_export/nel_export_filetools.cpp
@@ -26,7 +26,7 @@
 
 //--------------------------------------------------------------------------------------------------------------
 
-ULONG CNelExport::SelectFileForSave(HWND Parent, TCHAR* Title, const TCHAR* Mask, std::string &FileName)
+ULONG CNelExport::SelectFileForSave(HWND Parent, const TCHAR* Title, const TCHAR* Mask, std::string &FileName)
 {
 	TCHAR curdir[MAX_PATH];
 	TCHAR fname[MAX_PATH];
@@ -76,7 +76,7 @@ ULONG CNelExport::SelectFileForSave(HWND Parent, TCHAR* Title, const TCHAR* Mask
 
 //--------------------------------------------------------------------------------------------------------------
 
-ULONG CNelExport::SelectDir(HWND Parent, TCHAR* Title, std::string &Path)
+ULONG CNelExport::SelectDir(HWND Parent, const TCHAR* Title, std::string &Path)
 {
 	TCHAR str[MAX_PATH];
 	_tcscpy_s(str, MAX_PATH, utf8ToTStr(Path));