diff --git a/src/core/symbology-ng/qgssymbollayerv2.cpp b/src/core/symbology-ng/qgssymbollayerv2.cpp
index 7a6f74b8b115..a6701697eab6 100644
--- a/src/core/symbology-ng/qgssymbollayerv2.cpp
+++ b/src/core/symbology-ng/qgssymbollayerv2.cpp
@@ -360,8 +360,8 @@ void QgsFillSymbolLayerV2::_renderPolygon( QPainter* p, const QPolygonF& points,
   // Disable 'Antialiasing' if the geometry was generalized in the current RenderContext (We known that it must have least #5 points).
   if ( points.size()<=5 && context.layer() && context.layer()->simplifyDrawingCanbeApplied( QgsVectorLayer::AntialiasingSimplification ) && QgsFeatureRequest::canbeGeneralizedByWndBoundingBox( points, context.layer()->simplifyDrawingTol() ) && p->renderHints() & QPainter::Antialiasing )
   {
-    p->setRenderHint( QPainter::Antialiasing, false );
-    p->drawConvexPolygon( points );
+    p->setRenderHint( QPainter::Antialiasing, false );	
+    p->drawRect( points.boundingRect() );
     p->setRenderHint( QPainter::Antialiasing, true );
     return;
   }