diff --git a/src/widgets/dialogs/qwizard.cpp b/src/widgets/dialogs/qwizard.cpp
index 17ea634efb..3f9245c714 100644
--- a/src/widgets/dialogs/qwizard.cpp
+++ b/src/widgets/dialogs/qwizard.cpp
@@ -70,6 +70,7 @@
 #include <QtCore/QMetaMethod>
 #include <QtGui/QGuiApplication>
 #include <qpa/qplatformnativeinterface.h>
+#include <private/qcore_mac_p.h>
 #elif QT_CONFIG(style_windowsvista)
 #include "qwizard_win_p.h"
 #include "qtimer.h"
@@ -1147,7 +1148,15 @@ void QWizardPrivate::recreateLayout(const QWizardLayoutInfo &info)
     if (mac) {
         if (!wasSemiTransparent) {
             QPalette pal = pageFrame->palette();
-            pal.setBrush(QPalette::Window, QColor(255, 255, 255, 153));
+#ifdef Q_OS_MACX
+            if (qt_mac_applicationIsInDarkMode()) {
+                pal.setBrush(QPalette::Window, QColor(0, 0, 0, 153));
+            } else { 
+#endif
+                pal.setBrush(QPalette::Window, QColor(255, 255, 255, 153));
+#ifdef Q_OS_MACX
+            }
+#endif
             // ### The next line is required to ensure visual semitransparency when
             // ### switching from ModernStyle to MacStyle. See TAG1 below.
             pal.setBrush(QPalette::Base, QColor(255, 255, 255, 153));