diff --git a/lang/qt/src/util.h b/lang/qt/src/util.h
index c6aa87ce..6aba62e6 100644
--- a/lang/qt/src/util.h
+++ b/lang/qt/src/util.h
@@ -1,58 +1,67 @@
 /*
     util.h - some internal helpers
 
     This file is part of qgpgme, the Qt API binding for gpgme
     Copyright (c) 2022 g10 Code GmbH
     Software engineering by Ingo Klöcker <dev@ingo-kloecker.de>
 
     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.
 */
 
 #ifndef __QGPGME_UTIL_H__
 #define __QGPGME_UTIL_H__
 
 #include <gpgme.h>
 
+#include <sstream>
 #include <string>
 #include <vector>
 
 class QStringList;
 
 namespace GpgME
 {
 class Key;
 }
 
 static inline gpgme_error_t make_error(gpgme_err_code_t code)
 {
     return gpgme_err_make((gpgme_err_source_t)22, code);
 }
 
 std::vector<std::string> toStrings(const QStringList &l);
 
 QStringList toFingerprints(const std::vector<GpgME::Key> &keys);
 
+template<class Result>
+std::string toLogString(const Result &result)
+{
+    std::stringstream stream;
+    stream << result;
+    return stream.str();
+}
+
 #endif // __QGPGME_UTIL_H__