diff --git a/src/libs/utils/appmainwindow.cpp b/src/libs/utils/appmainwindow.cpp
index 7c9a8afe1fb..bdeb3a4cbf9 100644
--- a/src/libs/utils/appmainwindow.cpp
+++ b/src/libs/utils/appmainwindow.cpp
@@ -24,6 +24,7 @@
 ****************************************************************************/
 
 #include "appmainwindow.h"
+#include "theme/theme_p.h"
 
 #ifdef Q_OS_WIN
 #include <windows.h>
@@ -60,11 +61,14 @@ void AppMainWindow::raiseWindow()
 #ifdef Q_OS_WIN
 bool AppMainWindow::event(QEvent *event)
 {
-    if (event->type() == m_deviceEventId) {
+    const QEvent::Type type = event->type();
+    if (type == m_deviceEventId) {
         event->accept();
         emit deviceChange();
         return true;
     }
+    if (type == QEvent::ThemeChange)
+        setThemeApplicationPalette();
     return QMainWindow::event(event);
 }
 
diff --git a/src/libs/utils/theme/theme.cpp b/src/libs/utils/theme/theme.cpp
index b8147de0464..061ff335ccf 100644
--- a/src/libs/utils/theme/theme.cpp
+++ b/src/libs/utils/theme/theme.cpp
@@ -57,14 +57,19 @@ Theme *proxyTheme()
     return new Theme(m_creatorTheme);
 }
 
+void setThemeApplicationPalette()
+{
+    if (m_creatorTheme && m_creatorTheme->flag(Theme::ApplyThemePaletteGlobally))
+        QApplication::setPalette(m_creatorTheme->palette());
+}
+
 void setCreatorTheme(Theme *theme)
 {
     if (m_creatorTheme == theme)
         return;
     delete m_creatorTheme;
     m_creatorTheme = theme;
-    if (theme && theme->flag(Theme::ApplyThemePaletteGlobally))
-        QApplication::setPalette(theme->palette());
+    setThemeApplicationPalette();
 }
 
 Theme::Theme(const QString &id, QObject *parent)
diff --git a/src/libs/utils/theme/theme_p.h b/src/libs/utils/theme/theme_p.h
index 4170ec7cd9f..1feeeda4e25 100644
--- a/src/libs/utils/theme/theme_p.h
+++ b/src/libs/utils/theme/theme_p.h
@@ -51,5 +51,6 @@ public:
 };
 
 QTCREATOR_UTILS_EXPORT void setCreatorTheme(Theme *theme);
+QTCREATOR_UTILS_EXPORT void setThemeApplicationPalette();
 
 } // namespace Utils