diff --git a/common/exechelp-posix.c b/common/exechelp-posix.c
index 3acf74ad6..425f2b4d5 100644
--- a/common/exechelp-posix.c
+++ b/common/exechelp-posix.c
@@ -1,6 +1,6 @@
 /* exechelp.c - Fork and exec helpers for POSIX
- * Copyright (C) 2004, 2007, 2008, 2009,
- *               2010 Free Software Foundation, Inc.
+ * Copyright (C) 2004, 2007-2009, 2010 Free Software Foundation, Inc.
+ * Copyright (C) 2004, 2006-2012, 2014-2017 g10 Code GmbH
  *
  * This file is part of GnuPG.
  *
@@ -26,6 +26,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, see <https://www.gnu.org/licenses/>.
+ * SPDX-License-Identifier: (LGPL-3.0+ OR GPL-2.0+)
  */
 
 #include <config.h>
diff --git a/common/exechelp-w32.c b/common/exechelp-w32.c
index 2c44e2c75..fddcbb65c 100644
--- a/common/exechelp-w32.c
+++ b/common/exechelp-w32.c
@@ -1,6 +1,6 @@
 /* exechelp-w32.c - Fork and exec helpers for W32.
- * Copyright (C) 2004, 2007, 2008, 2009,
- *               2010 Free Software Foundation, Inc.
+ * Copyright (C) 2004, 2007-2009, 2010 Free Software Foundation, Inc.
+ * Copyright (C) 2004, 2006-2012, 2014-2017 g10 Code GmbH
  *
  * This file is part of GnuPG.
  *
@@ -26,6 +26,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, see <https://www.gnu.org/licenses/>.
+ * SPDX-License-Identifier: (LGPL-3.0+ OR GPL-2.0+)
  */
 
 #include <config.h>
diff --git a/common/exechelp-w32ce.c b/common/exechelp-w32ce.c
index ec9f01441..3d68a01d1 100644
--- a/common/exechelp-w32ce.c
+++ b/common/exechelp-w32ce.c
@@ -1,6 +1,6 @@
 /* exechelp-w32.c - Fork and exec helpers for W32CE.
- * Copyright (C) 2004, 2007, 2008, 2009,
- *               2010 Free Software Foundation, Inc.
+ * Copyright (C) 2004, 2007-2009, 2010 Free Software Foundation, Inc.
+ * Copyright (C) 2010-2012, 2014-2016 g10 Code GmbH
  *
  * This file is part of GnuPG.
  *
@@ -26,6 +26,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, see <https://www.gnu.org/licenses/>.
+ * SPDX-License-Identifier: (LGPL-3.0+ OR GPL-2.0+)
  */
 
 #include <config.h>
diff --git a/common/exechelp.h b/common/exechelp.h
index 2b40ba098..9e1f56f70 100644
--- a/common/exechelp.h
+++ b/common/exechelp.h
@@ -1,5 +1,6 @@
 /* exechelp.h - Definitions for the fork and exec helpers
  * Copyright (C) 2004, 2009, 2010 Free Software Foundation, Inc.
+ * Copyright (C) 2004, 2006-2012, 2014-2017 g10 Code GmbH
  *
  * This file is part of GnuPG.
  *
@@ -25,6 +26,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, see <https://www.gnu.org/licenses/>.
+ * SPDX-License-Identifier: (LGPL-3.0+ OR GPL-2.0+)
  */
 
 #ifndef GNUPG_COMMON_EXECHELP_H