diff --git a/lang/qt/tests/Makefile.am b/lang/qt/tests/Makefile.am
index 204b5a7c..c2280006 100644
--- a/lang/qt/tests/Makefile.am
+++ b/lang/qt/tests/Makefile.am
@@ -49,7 +49,7 @@ initial.test : check-local
 t_keylist_SOURCES = t-keylist.cpp
 t_keylocate_SOURCES = t-keylocate.cpp
 t_ownertrust_SOURCES = t-ownertrust.cpp
-t_tofuinfo_SOURCES = t-tofuinfo.cpp
+t_tofuinfo_SOURCES = t-tofuinfo.cpp t-support.h
 
 nodist_t_keylist_SOURCES = $(moc_files)
 
diff --git a/lang/qt/tests/t-support.h b/lang/qt/tests/t-support.h
new file mode 100644
index 00000000..8755b998
--- /dev/null
+++ b/lang/qt/tests/t-support.h
@@ -0,0 +1,47 @@
+/* t-support.h
+
+    This file is part of qgpgme, the Qt API binding for gpgme
+    Copyright (c) 2016 Intevation GmbH
+
+    QGpgME is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.
+
+    QGpgME 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
+    General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+    In addition, as a special exception, the copyright holders give
+    permission to link the code of this program with any edition of
+    the Qt library by Trolltech AS, Norway (or with modified versions
+    of Qt that use the same license as Qt), and distribute linked
+    combinations including the two.  You must obey the GNU General
+    Public License in all respects for all of the code used other than
+    Qt.  If you modify this file, you may extend this exception to
+    your version of the file, but you are not obligated to do so.  If
+    you do not wish to do so, delete this exception statement from
+    your version.
+*/
+
+#include "interfaces/passphraseprovider.h"
+#include <QtGlobal>
+
+namespace GpgME
+{
+class TestPassphraseProvider : public PassphraseProvider
+{
+public:
+    char *getPassphrase(const char *useridHint, const char *description,
+                        bool previousWasBad, bool &canceled) Q_DECL_OVERRIDE
+    {
+        return strdup("abc");
+    }
+};
+
+} // namespace GpgME