diff --git a/src/osgUtil/MeshOptimizers.cpp b/src/osgUtil/MeshOptimizers.cpp
index 250f339e8..e157df720 100644
--- a/src/osgUtil/MeshOptimizers.cpp
+++ b/src/osgUtil/MeshOptimizers.cpp
@@ -975,7 +975,7 @@ struct CacheRecorder : public TriangleIndexFunctor<CacheRecordOperator>
 void VertexCacheMissVisitor::doGeometry(Geometry& geom)
 {
     Array* vertArray = geom.getVertexArray();
-    if (!vertArray)
+    if (!vertArray || vertArray->getNumElements()==0)
         return;
     Geometry::PrimitiveSetList& primSets = geom.getPrimitiveSetList();
     CacheRecorder recorder(_cacheSize);
@@ -1117,7 +1117,7 @@ inline void reorderDrawElements(DE& drawElements,
 void VertexAccessOrderVisitor::optimizeOrder(Geometry& geom)
 {
     Array* vertArray = geom.getVertexArray();
-    if (!vertArray)
+    if (!vertArray || vertArray->getNumElements()==0)
         return;
     Geometry::PrimitiveSetList& primSets = geom.getPrimitiveSetList();
     VertexReorder vr(vertArray->getNumElements());