--- startkde/startplasma.cpp.orig	2019-10-19 18:43:24.172713000 +0200
+++ startkde/startplasma.cpp	2019-10-19 18:45:50.953945000 +0200
@@ -362,6 +362,6 @@
     // Add kdedefaults dir to allow config defaults overriding from a writable location
     QByteArray currentConfigDirs = qgetenv("XDG_CONFIG_DIRS");
     if (currentConfigDirs.isEmpty()) {
-        currentConfigDirs = "/etc/xdg";
+        currentConfigDirs = "%%LOCALBASE%%/etc/xdg:/etc/xdg";
     }
     const auto extraConfigDir = QStandardPaths::writableLocation(QStandardPaths::GenericConfigLocation).toUtf8() + "/kdedefaults";
     QDir().mkpath(QString::fromUtf8(extraConfigDir));