diff --git a/src/meshlab/mainwindow_Init.cpp b/src/meshlab/mainwindow_Init.cpp
index 550a10b7d..7893fc23c 100644
--- a/src/meshlab/mainwindow_Init.cpp
+++ b/src/meshlab/mainwindow_Init.cpp
@@ -22,15 +22,15 @@
 ****************************************************************************/
 
 
+#include "../common/interfaces.h"
+
 #include <QtGui>
 #include <QToolBar>
 #include <QProgressBar>
 #include <QHttp>
 #include <QFileOpenEvent>
 #include <QFile>
- #include <QtXml>
-
-#include "../common/interfaces.h"
+#include <QtXml>
 #include "mainwindow.h"
 #include "glarea.h"
 #include "plugindialog.h"
diff --git a/src/meshlabplugins/filter_meshing/meshfilter.cpp b/src/meshlabplugins/filter_meshing/meshfilter.cpp
index e5afb7b9c..147482118 100644
--- a/src/meshlabplugins/filter_meshing/meshfilter.cpp
+++ b/src/meshlabplugins/filter_meshing/meshfilter.cpp
@@ -19,10 +19,7 @@
  * for more details.                                                         *
  *                                                                           *
  ****************************************************************************/
-#include <QtGui>
 
-#include <math.h>
-#include <stdlib.h>
 #include "meshfilter.h"
 #include <vcg/complex/trimesh/clean.h>
 #include <vcg/complex/trimesh/stat.h>
@@ -773,8 +770,9 @@ bool ExtraMeshFilterPlugin::applyFilter(QAction *filter, MeshDocument &md, RichP
       m.updateDataMask(MeshModel::MM_FACEQUALITY);
 
       tri::BitQuadCreation<CMeshO>::MakeTriEvenBySplit(m.cm);
-      //bool ret = tri::BitQuadCreation<CMeshO>::MakePureByFlip(m.cm,100);
+      bool ret = tri::BitQuadCreation<CMeshO>::MakePureByFlip(m.cm,100);
       tri::UpdateNormals<CMeshO>::PerBitQuadFaceNormalized(m.cm);
+      m.updateDataMask(MeshModel::MM_POLYGONAL);
   }
   return true;
 }