diff --git a/include/osgText/Text3D b/include/osgText/Text3D
index d864d6a7b..7b445c7c8 100644
--- a/include/osgText/Text3D
+++ b/include/osgText/Text3D
@@ -47,12 +47,12 @@ public:
     /** Get the Charactere Depth of text. */
     float getCharacterDepth() const { return _characterDepth; }
     /** Set the Charactere Depth of text. */
-    void setCharacterDepth(float characterDepth) { _characterDepth = characterDepth; }
+    void setCharacterDepth(float characterDepth) { _characterDepth = characterDepth; computeGlyphRepresentation(); }
     
     /** Get the render mode used to render the text. */
     RenderMode getRenderMode() const { return _renderMode; }
     /** Set the render mode used to render the text. */
-    void setRenderMode(RenderMode renderMode) { _renderMode = renderMode; }
+    void setRenderMode(RenderMode renderMode) { _renderMode = renderMode; computeGlyphRepresentation(); }
 
 //    /** Get the wall StateSet */
 //    osg::StateSet * getWallStateSet() { return _wallStateSet.get(); }