diff -Nurr plasma-workspace-5.24.90/shell/packageplugins/lookandfeel/lookandfeel.cpp plasma-workspace-5.24.90-new/shell/packageplugins/lookandfeel/lookandfeel.cpp
--- plasma-workspace-5.24.90/shell/packageplugins/lookandfeel/lookandfeel.cpp	2022-05-19 12:38:19.000000000 +0200
+++ plasma-workspace-5.24.90-new/shell/packageplugins/lookandfeel/lookandfeel.cpp	2022-05-21 17:44:56.201054375 +0200
@@ -10,7 +10,7 @@
 #include <KLocalizedString>
 #include <KPackage/PackageLoader>
 
-#define DEFAULT_LOOKANDFEEL "org.kde.breeze.desktop"
+#define DEFAULT_LOOKANDFEEL "@DEFAULT_LOOKANDFEEL@"
 
 void LookAndFeelPackage::initPackage(KPackage::Package *package)
 {
diff -Nurr plasma-workspace-5.24.90/startkde/startplasma.cpp plasma-workspace-5.24.90-new/startkde/startplasma.cpp
--- plasma-workspace-5.24.90/startkde/startplasma.cpp	2022-05-19 12:38:19.000000000 +0200
+++ plasma-workspace-5.24.90-new/startkde/startplasma.cpp	2022-05-21 17:44:53.033054894 +0200
@@ -350,7 +350,7 @@
     qputenv("XDG_CONFIG_DIRS", QFile::encodeName(extraConfigDir) + ':' + currentConfigDirs);
 
     const KConfig globals;
-    const QString currentLnf = KConfigGroup(&globals, QStringLiteral("KDE")).readEntry("LookAndFeelPackage", QStringLiteral("org.kde.breeze.desktop"));
+    const QString currentLnf = KConfigGroup(&globals, QStringLiteral("KDE")).readEntry("LookAndFeelPackage", QStringLiteral("@DEFAULT_LOOKANDFEEL@"));
     QFile activeLnf(extraConfigDir + QLatin1String("/package"));
     activeLnf.open(QIODevice::ReadOnly);
     if (activeLnf.readLine() != currentLnf.toUtf8()) {