diff --git a/lang/cpp/src/gpgmepp_export.h b/lang/cpp/src/gpgmepp_export.h
index c24bda02..d6603104 100644
--- a/lang/cpp/src/gpgmepp_export.h
+++ b/lang/cpp/src/gpgmepp_export.h
@@ -1,3 +1,23 @@
+/*gpgmepp_export.h - Export macros for gpgmepp
+  Copyright (C) 2016, Intevation GmbH
+
+  This file is part of GPGME++.
+
+  GPGME++ is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Library General Public
+  License as published by the Free Software Foundation; either
+  version 2 of the License, or (at your option) any later version.
+
+  GPGME++ is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU Library General Public License for more details.
+
+  You should have received a copy of the GNU Library General Public License
+  along with GPGME++; see the file COPYING.LIB.  If not, write to the
+  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+  Boston, MA 02110-1301, USA.
+*/
 
 #ifndef GPGMEPP_EXPORT_H
 #define GPGMEPP_EXPORT_H
diff --git a/lang/qt/src/qgpgme_export.h b/lang/qt/src/qgpgme_export.h
index 40630d55..ceb3888f 100644
--- a/lang/qt/src/qgpgme_export.h
+++ b/lang/qt/src/qgpgme_export.h
@@ -1,3 +1,23 @@
+/*qgpgme_export.h - Export macros for qgpgme
+  Copyright (C) 2016, Intevation GmbH
+
+  This file is part of GPGME++.
+
+  GPGME++ is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Library General Public
+  License as published by the Free Software Foundation; either
+  version 2 of the License, or (at your option) any later version.
+
+  GPGME++ is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU Library General Public License for more details.
+
+  You should have received a copy of the GNU Library General Public License
+  along with GPGME++; see the file COPYING.LIB.  If not, write to the
+  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+  Boston, MA 02110-1301, USA.
+*/
 
 #ifndef QGPGME_EXPORT_H
 #define QGPGME_EXPORT_H