diff --git a/modules/gui/pymod/scene/render_mode_widget.py b/modules/gui/pymod/scene/render_mode_widget.py
index 68150543a8e39cea5203021e4977590c3c8a99fe..271ae6699b22c4c90a06876e5867e44f61b2f229 100644
--- a/modules/gui/pymod/scene/render_mode_widget.py
+++ b/modules/gui/pymod/scene/render_mode_widget.py
@@ -44,7 +44,7 @@ class RenderModeWidget(QtGui.QWidget):
     
     scene_selection = gui.SceneSelection.Instance()
     if scene_selection.GetActiveNodeCount() == 0 and scene_selection.GetActiveViewCount() == 0:
-      ComboOptionsWidget.setEnabled(self,False)
+      self.setEnabled(False)
       return
     
     if scene_selection.GetActiveNodeCount() > 0 :
@@ -53,7 +53,7 @@ class RenderModeWidget(QtGui.QWidget):
         if isinstance(entity, gfx.Entity):
           self.entities_.add(entity)
         else:
-          ComboOptionsWidget.setEnabled(self,False)
+          self.setEnabled(False)
           return
 
     if scene_selection.GetActiveViewCount() > 0 :