diff --git a/code/nel/tools/3d/plugin_max/nel_3dsmax_shared/string_common.h b/code/nel/tools/3d/plugin_max/nel_3dsmax_shared/string_common.h
index 7b046abbd..72ae6adee 100644
--- a/code/nel/tools/3d/plugin_max/nel_3dsmax_shared/string_common.h
+++ b/code/nel/tools/3d/plugin_max/nel_3dsmax_shared/string_common.h
@@ -38,7 +38,7 @@ static TSTR MaxTStrFromUtf8(const std::string &src)
 	uc.fromUtf8(src);
 	dst = (const mwchar_t *)uc.c_str();
 #else
-	dst.FromUTF8(source);
+	dst.FromUTF8(src.c_str());
 #endif
 	return dst;
 }
@@ -55,7 +55,7 @@ static std::string MaxTStrToUtf8(const TSTR& src)
 	return uc.toUtf8();
 #endif
 #else
-	return src.ToUTF8();
+	return src.ToUTF8().data();
 #endif
 }
 
diff --git a/code/nel/tools/3d/plugin_max/nel_export/nel_export_node_properties.cpp b/code/nel/tools/3d/plugin_max/nel_export/nel_export_node_properties.cpp
index efaa43238..71cde82a5 100644
--- a/code/nel/tools/3d/plugin_max/nel_export/nel_export_node_properties.cpp
+++ b/code/nel/tools/3d/plugin_max/nel_export/nel_export_node_properties.cpp
@@ -2493,7 +2493,7 @@ INT_PTR CALLBACK LodDialogCallback (
 
 			// Window text
 			TSTR winName = (*(currentParam->ListNode->begin()))->GetName();
-			winName = TSTR("Node properties (") + winName + ((currentParam->ListNode->size() > 1) ? _M(" ...)") : _M(")"));
+			winName = TSTR(_M("Node properties (")) + winName + ((currentParam->ListNode->size() > 1) ? _M(" ...)") : _M(")"));
 			SetWindowText(hwndDlg, winName.data());
 
 			// Move dialog
diff --git a/code/nel/tools/3d/plugin_max/nel_mesh_lib/calc_lm.cpp b/code/nel/tools/3d/plugin_max/nel_mesh_lib/calc_lm.cpp
index 031596932..30d1f929c 100644
--- a/code/nel/tools/3d/plugin_max/nel_mesh_lib/calc_lm.cpp
+++ b/code/nel/tools/3d/plugin_max/nel_mesh_lib/calc_lm.cpp
@@ -2530,7 +2530,7 @@ bool CExportNel::calculateLM( CMesh::CMeshBuild *pZeMeshBuild, CMeshBase::CMeshB
 		// Add lightmap information in the lightmap log
 		COFile outputLog;
 		if (outputLightmapLog)
-			createLightmapLog(outputLog, gOptions.sExportLighting.c_str(), ucstring(projectName).toUtf8().c_str(), CStr(ZeNode.GetName()).data());
+			createLightmapLog(outputLog, gOptions.sExportLighting.c_str(), ucstring(projectName).toUtf8().c_str(), MaxTStrToUtf8(ZeNode.GetName()).c_str());
 
 		// Update UV coords to Texture space
 		PutFaceUV1InTextureCoord( LightMap.w, LightMap.h, AllFaces.begin(), AllFaces.size() );
diff --git a/code/nel/tools/3d/plugin_max/nel_patch_lib/rpo.h b/code/nel/tools/3d/plugin_max/nel_patch_lib/rpo.h
index 15d477d3b..0f4ead01c 100644
--- a/code/nel/tools/3d/plugin_max/nel_patch_lib/rpo.h
+++ b/code/nel/tools/3d/plugin_max/nel_patch_lib/rpo.h
@@ -206,7 +206,7 @@ class RPO : public PatchObject
 				? true : PatchObject::IsSubClassOf(classID);
 		}
 		SClass_ID SuperClassID() { return GEOMOBJECT_CLASS_ID; }
-		void GetClassName(TSTR& s) { s = "Rykol Patch Object";}
+		void GetClassName(TSTR& s) { s = _T("Rykol Patch Object");}
 		
 		RefTargetHandle Clone ( RemapDir &remap );
 		RefResult NotifyRefChanged (NOTIFY_REF_PARAMS);