diff --git a/tests/configsavetest.cpp b/tests/configsavetest.cpp
index bde72bb..d5d8460 100644
--- a/tests/configsavetest.cpp
+++ b/tests/configsavetest.cpp
@@ -1,63 +1,68 @@
 /*
  *
  */
 #include "configsavetest.h"
 #include <appearancegtk2.h>
 #include <appearancegtk3.h>
 
 #include <QtTest>
 
 QTEST_GUILESS_MAIN(ConfigSaveTest);
 
 void ConfigSaveTest::fillValues(AbstractAppearance* a)
 {
     a->setFont("a");
     a->setIcon("a");
     a->setTheme("a");
     a->setToolbarStyle("a");
     a->setIconFallback("a");
     a->setShowIconsInButtons(true);
     a->setShowIconsInMenus(true);
     a->setPrimaryButtonWarpsSlider(true);
+
+    auto a3 = dynamic_cast<AppearanceGTK3*>(a);
+    if (a3) {
+        a3->setApplicationPreferDarkTheme(false);
+    }
 }
 
 bool compareAppearances(AbstractAppearance* a, AbstractAppearance* b)
 {
     return a->getFont() == b->getFont()
         && a->getIcon() == b->getIcon()
         && a->getTheme() == b->getTheme()
         && a->getToolbarStyle() == b->getToolbarStyle()
         && a->getIconFallback() == b->getIconFallback()
         && a->getShowIconsInButtons() == b->getShowIconsInButtons()
         && a->getShowIconsInMenus() == b->getShowIconsInMenus()
         && a->getPrimaryButtonWarpsSlider() == b->getPrimaryButtonWarpsSlider();
 }
 
 QByteArray readFile(const QString& path)
 {
     QFile f(path);
     if(!f.open(QFile::ReadOnly | QFile::Text))
         return QByteArray();
     return f.readAll();
 }
 
 void ConfigSaveTest::testOpen()
 {
     QVector<AbstractAppearance*> instances;
     instances << new AppearanceGTK2 << new AppearanceGTK3;
     fillValues(instances[0]);
     fillValues(instances[1]);
     QVERIFY(instances[0]->saveSettings("test-gtk2"));
     QVERIFY(instances[1]->saveSettings("test-gtk3"));
 
     QVector<AbstractAppearance*> reloaded;
     reloaded << new AppearanceGTK2 << new AppearanceGTK3;
     QVERIFY(reloaded[0]->loadSettings("test-gtk2"));
     QVERIFY(reloaded[1]->loadSettings("test-gtk3"));
     QVERIFY(compareAppearances(reloaded[0], instances[0]));
     QVERIFY(compareAppearances(reloaded[1], instances[1]));
     QVERIFY(reloaded[0]->saveSettings("testB-gtk2"));
     QVERIFY(reloaded[1]->saveSettings("testB-gtk3"));
     QCOMPARE(readFile("test-gtk2"), readFile("testB-gtk2"));
     QCOMPARE(readFile("test-gtk3"), readFile("testB-gtk3"));
 }