diff --git a/src/osgUtil/Optimizer.cpp b/src/osgUtil/Optimizer.cpp
index f344eb219..aaaa71700 100644
--- a/src/osgUtil/Optimizer.cpp
+++ b/src/osgUtil/Optimizer.cpp
@@ -1408,9 +1408,11 @@ struct LessGeometry
                 case(osg::Array::UByte4ArrayType):
                     if ((*static_cast<const osg::UByte4Array*>(lhs_colorArray))[0]<(*static_cast<const osg::UByte4Array*>(rhs_colorArray))[0]) return true;
                     if ((*static_cast<const osg::UByte4Array*>(rhs_colorArray))[0]<(*static_cast<const osg::UByte4Array*>(lhs_colorArray))[0]) return false;
+                    break;
                 case(osg::Array::Vec3ArrayType):
                     if ((*static_cast<const osg::Vec3Array*>(lhs_colorArray))[0]<(*static_cast<const osg::Vec3Array*>(rhs_colorArray))[0]) return true;
                     if ((*static_cast<const osg::Vec3Array*>(rhs_colorArray))[0]<(*static_cast<const osg::Vec3Array*>(lhs_colorArray))[0]) return false;
+                    break;
                 case(osg::Array::Vec4ArrayType):
                     if ((*static_cast<const osg::Vec4Array*>(lhs_colorArray))[0]<(*static_cast<const osg::Vec4Array*>(rhs_colorArray))[0]) return true;
                     if ((*static_cast<const osg::Vec4Array*>(rhs_colorArray))[0]<(*static_cast<const osg::Vec4Array*>(lhs_colorArray))[0]) return false;