diff --git a/decorations/decorationbridge.h b/decorations/decorationbridge.h
--- a/decorations/decorationbridge.h
+++ b/decorations/decorationbridge.h
@@ -24,6 +24,8 @@
 
 #include <KDecoration2/Private/DecorationBridge>
 
+#include <KSharedConfig>
+
 #include <QObject>
 #include <QSharedPointer>
 
@@ -68,11 +70,13 @@
     QString supportInformation() const;
 
 private:
+    QString readPlugin();
     void loadMetaData(const QJsonObject &object);
     void findTheme(const QVariantMap &map);
     void initPlugin();
     QString readTheme() const;
     KPluginFactory *m_factory;
+    KSharedConfig::Ptr m_lnfConfig;
     bool m_blur;
     QString m_plugin;
     QString m_defaultTheme;
diff --git a/decorations/decorationbridge.cpp b/decorations/decorationbridge.cpp
--- a/decorations/decorationbridge.cpp
+++ b/decorations/decorationbridge.cpp
@@ -68,16 +68,24 @@
     , m_settings()
     , m_noPlugin(false)
 {
+    KConfigGroup cg(KSharedConfig::openConfig(), "KDE");
+
+    // try to extract the proper defaults file from a lookandfeel package
+    const QString looknfeel = cg.readEntry(QStringLiteral("LookAndFeelPackage"), "org.kde.breeze.desktop");
+    m_lnfConfig = KSharedConfig::openConfig(QStandardPaths::locate(QStandardPaths::GenericDataLocation, QStringLiteral("plasma/look-and-feel/") + looknfeel + QStringLiteral("/contents/defaults")));
 }
 
 DecorationBridge::~DecorationBridge()
 {
     s_self = nullptr;
 }
 
-static QString readPlugin()
+QString DecorationBridge::readPlugin()
 {
-    return kwinApp()->config()->group(s_pluginName).readEntry("library", s_defaultPlugin);
+    //Try to get a default from look and feel
+    KConfigGroup cg(m_lnfConfig, "kwinrc");
+    cg = KConfigGroup(&cg, "org.kde.kdecoration2");
+    return kwinApp()->config()->group(s_pluginName).readEntry("library", cg.readEntry("library", s_defaultPlugin));
 }
 
 static bool readNoPlugin()
@@ -87,7 +95,10 @@
 
 QString DecorationBridge::readTheme() const
 {
-    return kwinApp()->config()->group(s_pluginName).readEntry("theme", m_defaultTheme);
+    //Try to get a default from look and feel
+    KConfigGroup cg(m_lnfConfig, "kwinrc");
+    cg = KConfigGroup(&cg, "org.kde.kdecoration2");
+    return kwinApp()->config()->group(s_pluginName).readEntry("theme", cg.readEntry("theme", m_defaultTheme));
 }
 
 void DecorationBridge::init()