diff --git a/examples/slideshow3D/SlideShowConstructor.cpp b/examples/slideshow3D/SlideShowConstructor.cpp
index 7a124cb90..d20e0673f 100644
--- a/examples/slideshow3D/SlideShowConstructor.cpp
+++ b/examples/slideshow3D/SlideShowConstructor.cpp
@@ -106,7 +106,7 @@ void SlideShowConstructor::addLayer()
 
             osg::StateSet* backgroundStateSet = background->getOrCreateStateSet();
             backgroundStateSet->setAttributeAndModes(
-                        new osg::PolygonOffset(1.0f,1.0f),
+                        new osg::PolygonOffset(1.0f,2.0f),
                         osg::StateAttribute::ON);
 
             backgroundStateSet->setTextureAttributeAndModes(0,