diff --git a/src/loader/main.cpp b/src/loader/main.cpp
index 96bfb09c9..548a845a1 100644
--- a/src/loader/main.cpp
+++ b/src/loader/main.cpp
@@ -87,6 +87,7 @@ int main(int argc, char *argv[], char *envp[])
 #endif
 
     DGuiApplicationHelper::setAttribute(DGuiApplicationHelper::UseInactiveColorGroup, false);
+    DGuiApplicationHelper::setAttribute(DGuiApplicationHelper::DontSaveApplicationTheme, true);
     init_setproctitle(argv, envp);
     QMap<QByteArray, QByteArray> oldEnvs;
     oldEnvs["DSG_APP_ID"] = qgetenv("DSG_APP_ID");
diff --git a/src/loader/widgetplugin.cpp b/src/loader/widgetplugin.cpp
index eacacbb8d..c6b9cd9d4 100644
--- a/src/loader/widgetplugin.cpp
+++ b/src/loader/widgetplugin.cpp
@@ -320,6 +320,7 @@ void WidgetPlugin::updateDockContainerState(PluginsItemInterface *itemInter, boo
 
 void WidgetPlugin::onDockColorThemeChanged(uint32_t type)
 {
+    qDebug() << "onDockColorThemeChanged:" << type;
     DGuiApplicationHelper::instance()->setPaletteType(static_cast<DGuiApplicationHelper::ColorType>(type));
 }