diff --git a/tests/testlib/qtest_zanshin.h b/tests/testlib/qtest_zanshin.h
index 1d06f336..6ba021a7 100644
--- a/tests/testlib/qtest_zanshin.h
+++ b/tests/testlib/qtest_zanshin.h
@@ -1,72 +1,71 @@
 /* This file is part of Zanshin
 
    Copyright 2016 Kevin Ottens <ervin@kde.org>
 
    This program 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) version 3 or any later version
    accepted by the membership of KDE e.V. (or its successor approved
    by the membership of KDE e.V.), which shall act as a proxy
    defined in Section 14 of version 3 of the license.
 
    This program 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.
 */
 
 #include <QtTest>
 #include <QDebug>
 
 // We have our own test macro in order to:
 //  * make sure QHash instances are not randomized
 //  * avoid DrKonqi in case of crashes
 //  * Use a much simpler style during tests to avoid
 //    animations or such polluting the environment
 
 #ifdef QT_GUI_LIB
 #define _ZANSHIN_TESTLIB_INTERNAL_FORCE_GUI_ENVIRONMENT \
     bool _zanshin_testlib_internal_forceGuiEnvironment() \
     { \
         QGuiApplication::setDesktopSettingsAware(false); \
         qputenv("QT_STYLE_OVERRIDE", "fusion"); \
         return true; \
     } \
     static bool _zanshin_testlib_internal_isGuiEnvironmentForced = _zanshin_testlib_internal_forceGuiEnvironment();
 #else
 #define _ZANSHIN_TESTLIB_INTERNAL_FORCE_GUI_ENVIRONMENT
 #endif
 
 #define ZANSHIN_TEST_MAIN(TestCase) \
-    extern Q_CORE_EXPORT QBasicAtomicInt qt_qhash_seed; \
     _ZANSHIN_TESTLIB_INTERNAL_FORCE_GUI_ENVIRONMENT \
     \
     bool _zanshin_testlib_internal_forceEnvironment() \
     { \
-        qt_qhash_seed.store(0); \
+        qSetGlobalQHashSeed(0); \
         qputenv("KDE_DEBUG", "1"); \
         qunsetenv("LANG"); \
         qunsetenv("LANGUAGE"); \
         qputenv("LC_ALL", "en_US"); \
         return true; \
     } \
     static bool _zanshin_testlib_internal_isEnvironmentForced = _zanshin_testlib_internal_forceEnvironment(); \
     \
     void _zanshin_testlib_internal_workaround_kxmlgui_startupfunc_leak() \
     { \
         QCoreApplication::processEvents(); \
         QCoreApplication::processEvents(); \
     } \
     \
     extern "C" void Q_CORE_EXPORT qt_startup_hook() \
     { \
         _zanshin_testlib_internal_workaround_kxmlgui_startupfunc_leak(); \
     } \
     \
     QTEST_MAIN(TestCase)