diff --git a/src/osgPlugins/dxf/dxfEntity.cpp b/src/osgPlugins/dxf/dxfEntity.cpp
index a5fb2ef2f..e1bd1d3a8 100644
--- a/src/osgPlugins/dxf/dxfEntity.cpp
+++ b/src/osgPlugins/dxf/dxfEntity.cpp
@@ -594,8 +594,7 @@ dxfPolyline::drawScene(scene* sc)
         double bad_c = 0;
         double good_c = 0;
         long bad=0,good=0;
-        for (; itr != nlist.end(); ) {
-            ++itr;
+        for (; itr != nlist.end(); ++itr) {
             if ((*itr)== lastn) continue;
             Vec3d diff = ((*itr)-lastn);
             diff.normalize();