diff --git a/applet.cpp b/applet.cpp
index e266e3ceb..25d97dbab 100644
--- a/applet.cpp
+++ b/applet.cpp
@@ -250,7 +250,7 @@ QString Applet::category(const QString& appletName)
     return offers.first()->property("X-KDE-PluginInfo-Category").toString();
 }
 
-bool Applet::immutable() const
+bool Applet::isImmutable() const
 {
     return d->immutable;
 }
@@ -261,7 +261,7 @@ void Applet::setImmutable(bool immutable)
     QGraphicsItem::GraphicsItemFlags f = flags();
     if (immutable) {
         f ^= QGraphicsItem::ItemIsMovable;
-    } else if (!scene() || !static_cast<Corona*>(scene())->immutable()) {
+    } else if (!scene() || !static_cast<Corona*>(scene())->isImmutable()) {
         f |= QGraphicsItem::ItemIsMovable;
     }
     setFlags(f);
diff --git a/applet.h b/applet.h
index c46c18bec..03267ac47 100644
--- a/applet.h
+++ b/applet.h
@@ -47,7 +47,7 @@ class PLASMA_EXPORT Applet : public QObject, public Widget
     Q_PROPERTY( bool hasConfigurationInterface READ hasConfigurationInterface WRITE setHasConfigurationInterface )
     Q_PROPERTY( QString name READ name )
     Q_PROPERTY( QString category READ category )
-    Q_PROPERTY( bool immutable READ immutable WRITE setImmutable )
+    Q_PROPERTY( bool immutable READ isImmutable WRITE setImmutable )
     Q_PROPERTY( bool drawStandardBackground READ drawStandardBackground WRITE setDrawStandardBackground )
     Q_PROPERTY( bool failedToLaunch READ failedToLaunch WRITE setFailedToLaunch )
     Q_PROPERTY( QRectF boundingRect READ boundingRect )
@@ -288,7 +288,7 @@ class PLASMA_EXPORT Applet : public QObject, public Widget
         /**
          * @return true if this applet is immutable
          **/
-        bool immutable() const;
+        bool isImmutable() const;
 
         /** 
          * Sets whether or not this applet is immutable or not.
diff --git a/corona.cpp b/corona.cpp
index 1af4a62d2..9e360d792 100644
--- a/corona.cpp
+++ b/corona.cpp
@@ -279,7 +279,7 @@ void Corona::appletDestroyed(QObject* object)
     }
 }
 
-bool Corona::immutable() const
+bool Corona::isImmutable() const
 {
     return d->immutable;
 }
diff --git a/corona.h b/corona.h
index 5c425da69..91789cd05 100644
--- a/corona.h
+++ b/corona.h
@@ -47,7 +47,7 @@ public:
     /**
      * The applets and Corona surface are changeable or not
      **/
-    bool immutable() const;
+    bool isImmutable() const;
 
     /**
      * The location of the Corona. @see Plasma::Location