diff --git a/src/Mod/Start/Gui/DlgStartPreferencesImp.cpp b/src/Mod/Start/Gui/DlgStartPreferencesImp.cpp
index 39f77c62a4..16643741a6 100644
--- a/src/Mod/Start/Gui/DlgStartPreferencesImp.cpp
+++ b/src/Mod/Start/Gui/DlgStartPreferencesImp.cpp
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
 /***************************************************************************
  *   Copyright (c) 2018 Yorik van Havre <yorik@uncreated.net>              *
  *                                                                         *
diff --git a/src/Mod/Start/Gui/DlgStartPreferencesImp.h b/src/Mod/Start/Gui/DlgStartPreferencesImp.h
index 61696ad39f..5f42b50281 100644
--- a/src/Mod/Start/Gui/DlgStartPreferencesImp.h
+++ b/src/Mod/Start/Gui/DlgStartPreferencesImp.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
 /***************************************************************************
  *   Copyright (c) 2018 Yorik van Havre <yorik@uncreated.net>              *
  *                                                                         *