diff --git a/src/osgUtil/SmoothingVisitor.cpp b/src/osgUtil/SmoothingVisitor.cpp
index e2bfc9355..14c466825 100644
--- a/src/osgUtil/SmoothingVisitor.cpp
+++ b/src/osgUtil/SmoothingVisitor.cpp
@@ -224,6 +224,7 @@ struct SmoothTriangleIndexFunctor
 struct FindSharpEdgesFunctor
 {
     FindSharpEdgesFunctor():
+        _geometry(0),
         _vertices(0),
         _normals(0),
         _creaseAngle(osg::PI_2),