diff --git a/retroshare-gui/src/rshare.cpp b/retroshare-gui/src/rshare.cpp
index d867f1545..4be467661 100644
--- a/retroshare-gui/src/rshare.cpp
+++ b/retroshare-gui/src/rshare.cpp
@@ -461,6 +461,36 @@ void RsApplication::loadStyleSheet(const QString &sheetName)
         }
     }
 
+#ifdef Q_OS_WIN
+    QSettings settings("HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize",QSettings::NativeFormat);
+    if(/*sheetName == ":default" && */settings.value("AppsUseLightTheme")==0){
+        qApp->setStyle(QStyleFactory::create("Fusion"));
+        QPalette darkPalette;
+        QColor darkColor = QColor(45,45,45);
+        QColor disabledColor = QColor(127,127,127);
+        darkPalette.setColor(QPalette::Window, darkColor);
+        darkPalette.setColor(QPalette::WindowText, Qt::white);
+        darkPalette.setColor(QPalette::Base, QColor(18,18,18));
+        darkPalette.setColor(QPalette::AlternateBase, darkColor);
+        darkPalette.setColor(QPalette::ToolTipBase, Qt::white);
+        darkPalette.setColor(QPalette::ToolTipText, Qt::white);
+        darkPalette.setColor(QPalette::Text, Qt::white);
+        darkPalette.setColor(QPalette::Disabled, QPalette::Text, disabledColor);
+        darkPalette.setColor(QPalette::Button, darkColor);
+        darkPalette.setColor(QPalette::ButtonText, Qt::white);
+        darkPalette.setColor(QPalette::Disabled, QPalette::ButtonText, disabledColor);
+        darkPalette.setColor(QPalette::BrightText, Qt::red);
+        darkPalette.setColor(QPalette::Link, QColor(42, 130, 218));
+
+        darkPalette.setColor(QPalette::Highlight, QColor(42, 130, 218));
+        darkPalette.setColor(QPalette::HighlightedText, Qt::black);
+        darkPalette.setColor(QPalette::Disabled, QPalette::HighlightedText, disabledColor);
+
+        qApp->setPalette(darkPalette);
+
+        qApp->setStyleSheet("QToolTip { color: #ffffff; background-color: #2a82da; border: 1px solid white; }");
+    } 
+#endif
     qApp->setStyleSheet(styleSheet);
 }