diff --git a/sources/nomenclature.cpp b/sources/nomenclature.cpp
index ffca83826..92ad17d06 100644
--- a/sources/nomenclature.cpp
+++ b/sources/nomenclature.cpp
@@ -66,7 +66,11 @@ bool nomenclature::saveToCSVFile()
 		}
 		if (file.open(QIODevice::WriteOnly | QIODevice::Text)){
 			QTextStream stream(&file);
-			stream << getNomenclature() << "\n";
+#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)	// ### Qt 6: remove
+			stream << getNomenclature() << endl;
+#else
+			stream << getNomenclature() << &Qt::endl(stream);
+#endif
 		}
 		else return false;
 	}