diff --git a/kdeui/widgets/kpixmapwidget.cpp b/kdeui/widgets/kpixmapwidget.cpp
index 6515504c..94fc101d 100644
--- a/kdeui/widgets/kpixmapwidget.cpp
+++ b/kdeui/widgets/kpixmapwidget.cpp
@@ -85,7 +85,7 @@ QPixmap KPixmapWidget::pixmap() const
     return d->pixmap;
 }
 
-void KPixmapWidget::setAlignment(Qt::Alignment alignment)
+void KPixmapWidget::setAlignment(const Qt::Alignment alignment)
 {
     d->alignment = alignment;
     update();
diff --git a/kdeui/widgets/kpixmapwidget.h b/kdeui/widgets/kpixmapwidget.h
index 46c67c41..bfd26441 100644
--- a/kdeui/widgets/kpixmapwidget.h
+++ b/kdeui/widgets/kpixmapwidget.h
@@ -49,7 +49,7 @@ public:
     QPixmap pixmap() const;
 
     Qt::Alignment alignment() const;
-    void setAlignment(Qt::Alignment);
+    void setAlignment(const Qt::Alignment alignment);
 
     bool dragEnabled() const;
     void setDragEnabled(const bool enable);