diff --git a/src/quickaddons/configmodule.h b/src/quickaddons/configmodule.h
--- a/src/quickaddons/configmodule.h
+++ b/src/quickaddons/configmodule.h
@@ -132,6 +132,7 @@
     Q_PROPERTY(QQuickItem *mainUi READ mainUi CONSTANT)
     Q_PROPERTY(KQuickAddons::ConfigModule::Buttons buttons READ buttons WRITE setButtons NOTIFY buttonsChanged)
     Q_PROPERTY(bool needsSave READ needsSave WRITE setNeedsSave NOTIFY needsSaveChanged)
+    Q_PROPERTY(bool representsDefaults READ representsDefaults WRITE setRepresentsDefaults NOTIFY representsDefaultsChanged)
     Q_PROPERTY(QString name READ name CONSTANT)
     Q_PROPERTY(QString description READ description CONSTANT)
     Q_PROPERTY(QString quickHelp READ quickHelp WRITE setQuickHelp NOTIFY quickHelpChanged)
@@ -279,6 +280,17 @@
      */
     bool needsSave();
 
+    /**
+     * Set this property to true when the user sets the state of the module
+     * to the default settings (e.g. clicking Defaults would do nothing).
+     */
+    void setRepresentsDefaults(bool defaults);
+
+    /**
+     * True when the module state represents the default settings.
+     */
+    bool representsDefaults();
+
     /**
      * Sets the buttons to display.
      *
@@ -516,6 +528,13 @@
      */
     void needsSaveChanged();
 
+    /**
+     * Indicate that the state of the modules contents has changed
+     * in a way that it might represents the defaults settings, or
+     * stopped representing them.
+     */
+    void representsDefaultsChanged();
+
     /**
      * Emits this signal whenever the need for root authorization to save changes.
      */
diff --git a/src/quickaddons/configmodule.cpp b/src/quickaddons/configmodule.cpp
--- a/src/quickaddons/configmodule.cpp
+++ b/src/quickaddons/configmodule.cpp
@@ -53,7 +53,8 @@
         _about(nullptr),
         _useRootOnlyMessage(false),
         _needsAuthorization(false),
-        _needsSave(false)
+        _needsSave(false),
+        _representsDefaults(false)
     {
     }
 
@@ -73,6 +74,7 @@
 
     bool _needsAuthorization : 1;
     bool _needsSave  :1;
+    bool _representsDefaults :1;
     QString _authActionName;
 
     static QHash<QObject *, ConfigModule *> s_rootObjects;
@@ -463,6 +465,21 @@
     return d->_needsSave;
 }
 
+void ConfigModule::setRepresentsDefaults(bool defaults)
+{
+    if (defaults == d->_representsDefaults) {
+        return;
+    }
+
+    d->_representsDefaults = defaults;
+    emit representsDefaultsChanged();
+}
+
+bool ConfigModule::representsDefaults()
+{
+    return d->_representsDefaults;
+}
+
 }
 
 #include "moc_configmodule.cpp"
diff --git a/src/quickaddons/managedconfigmodule.cpp b/src/quickaddons/managedconfigmodule.cpp
--- a/src/quickaddons/managedconfigmodule.cpp
+++ b/src/quickaddons/managedconfigmodule.cpp
@@ -123,24 +123,29 @@
             QObject::connect(skeleton, changedSignal, _q, settingsChangedSlot);
         }
     }
+
+    _k_settingsChanged();
 }
 
 void ManagedConfigModulePrivate::_k_settingsChanged()
 {
     bool needsSave = false;
+    bool isDefaults = true;
     for (const auto skeleton : qAsConst(_skeletons)) {
         needsSave |= skeleton->isSaveNeeded();
-        if (needsSave) {
-            break;
-        }
+        isDefaults &= skeleton->isDefaults();
     }
+
     if (!needsSave) {
         needsSave = _q->isSaveNeeded();
     }
-    _q->setNeedsSave(needsSave);
 
-    // TODO: Also deal with defaults, once we got an equivalent to setNeedsSave
-    // in ConfigModule
+    if (isDefaults) {
+        isDefaults = _q->isDefaults();
+    }
+
+    _q->setRepresentsDefaults(isDefaults);
+    _q->setNeedsSave(needsSave);
 }
 
 }