diff --git a/src/Gui/Language/Translator.cpp b/src/Gui/Language/Translator.cpp
index 7f4b337ac7..35fc09ff26 100644
--- a/src/Gui/Language/Translator.cpp
+++ b/src/Gui/Language/Translator.cpp
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
 /***************************************************************************
  *   Copyright (c) 2004 Werner Mayer <wmayer[at]users.sourceforge.net>     *
  *                                                                         *
diff --git a/src/Gui/Language/Translator.h b/src/Gui/Language/Translator.h
index 7bf2814a0c..40813c5255 100644
--- a/src/Gui/Language/Translator.h
+++ b/src/Gui/Language/Translator.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
 /***************************************************************************
  *   Copyright (c) 2004 Werner Mayer <wmayer[at]users.sourceforge.net>     *
  *                                                                         *