diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6e6102a8e..c9810bc0f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,8 +16,8 @@ PROJECT(OpenSceneGraph)
 
 SET(OPENSCENEGRAPH_MAJOR_VERSION 1)
 SET(OPENSCENEGRAPH_MINOR_VERSION 9)
-SET(OPENSCENEGRAPH_PATCH_VERSION 7)
-SET(OPENSCENEGRAPH_SOVERSION 9)
+SET(OPENSCENEGRAPH_PATCH_VERSION 8)
+SET(OPENSCENEGRAPH_SOVERSION 10)
 
 SET(OPENSCENEGRAPH_VERSION ${OPENSCENEGRAPH_MAJOR_VERSION}.${OPENSCENEGRAPH_MINOR_VERSION}.${OPENSCENEGRAPH_PATCH_VERSION})
 
diff --git a/include/osg/Version b/include/osg/Version
index 715403ed8..b4e1b3310 100644
--- a/include/osg/Version
+++ b/include/osg/Version
@@ -20,7 +20,7 @@ extern "C" {
 
 #define OSG_VERSION_MAJOR 1
 #define OSG_VERSION_MINOR 9
-#define OSG_VERSION_PATCH 7
+#define OSG_VERSION_PATCH 8
 
 #define OSG_VERSION_RELEASE OSG_VERSION_PATCH
 #define OSG_VERSION_REVISION 0
diff --git a/src/osgSim/OverlayNode.cpp b/src/osgSim/OverlayNode.cpp
index b37b6706c..af987149a 100644
--- a/src/osgSim/OverlayNode.cpp
+++ b/src/osgSim/OverlayNode.cpp
@@ -1459,7 +1459,8 @@ void OverlayNode::traverse_VIEW_DEPENDENT_WITH_ORTHOGRAPHIC_OVERLAY(osg::NodeVis
         {
             osg::notify(osg::NOTICE)<<"ratio = "<<ratio<<std::endl;
 
-            if (ratio<0.2) ratio = 0.2;
+            double minRatio = 0.01;
+            if (ratio<minRatio) ratio = minRatio;
         
             double base_up = min_up - (max_up - min_up) * ratio / (1.0 - ratio);
             double max_side_over_up = 0.0;