diff --git a/src/Vizkit3DWidget.cpp b/src/Vizkit3DWidget.cpp
index 9148dc2..887f7b8 100644
--- a/src/Vizkit3DWidget.cpp
+++ b/src/Vizkit3DWidget.cpp
@@ -203,7 +203,7 @@ void Vizkit3DConfig::setCameraManipulator(QStringList const& manipulator)
     return getWidget()->setCameraManipulator(id);
 }
 
-Vizkit3DWidget::Vizkit3DWidget( QWidget* parent,const QString &world_name,bool auto_update)
+Vizkit3DWidget::Vizkit3DWidget( QWidget* parent,int width,int height,const QString &world_name,bool auto_update)
     : QWidget(parent)
     , env_plugin(NULL)
 {
@@ -233,7 +233,7 @@ Vizkit3DWidget::Vizkit3DWidget( QWidget* parent,const QString &world_name,bool a
     root = createSceneGraph(world_name);
 
     // create osg widget
-    QWidget* widget = addViewWidget(createGraphicsWindow(0,0,800,600), root);
+    QWidget* widget = addViewWidget(createGraphicsWindow(0,0,width,height), root);
     widget->setSizePolicy( QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding ) );
     widget->setObjectName(QString("View Widget"));
     splitter->addWidget(widget);
diff --git a/src/Vizkit3DWidget.hpp b/src/Vizkit3DWidget.hpp
index 5f7eae1..ed3912e 100644
--- a/src/Vizkit3DWidget.hpp
+++ b/src/Vizkit3DWidget.hpp
@@ -187,7 +187,8 @@ namespace vizkit3d
             static osg::Vec3d const DEFAULT_UP;
 
             friend class VizPluginBase;
-            Vizkit3DWidget(QWidget* parent = 0,const QString &world_name = "world_osg",bool auto_update = true);
+            Vizkit3DWidget(QWidget* parent = 0, int width = 800, int height = 600,
+                           const QString &world_name = "world_osg",bool auto_update = true);
 
             /** Defined to avoid unnecessary dependencies in the headers
              *