diff --git a/src/meshlabplugins/filter_isoparametrization/filter_isoparametrization.cpp b/src/meshlabplugins/filter_isoparametrization/filter_isoparametrization.cpp
index 83bde12a4..60cc63b2f 100644
--- a/src/meshlabplugins/filter_isoparametrization/filter_isoparametrization.cpp
+++ b/src/meshlabplugins/filter_isoparametrization/filter_isoparametrization.cpp
@@ -131,8 +131,8 @@ RichParameterList FilterIsoParametrization::initParameterList(const QAction *a,
 		par.addParam(RichInt("convergenceSpeed",1, "Convergence Precision", "This parameter controls the convergence speed/precision of the optimization of the texture coordinates. Larger the number slower the processing and ,eventually, slightly better results"));
 		par.addParam(RichBool("DoubleStep",true,"Double Step","Use this bool to divide the parameterization in 2 steps. Double step makes the overall process faster and robust."
 															  "<br> Consider to disable this bool in case the object has topologycal noise or small handles."));
-		par.addParam(RichString("AbsLoadName", "", "Load AM", "The filename of the abstract mesh that has to be loaded. If empty, the abstract mesh will be computed according to the above parameters (suggested extension '.abs')."));
-		par.addParam(RichString("AbsSaveName", "", "Save AM", "The filename where the computed abstract mesh will be saved. If empty, nothing will be done."));
+//		par.addParam(RichOpenFile("AbsLoadName", "", {"*.txt"}, "Load AM", "The filename of the abstract mesh that has to be loaded. If empty, the abstract mesh will be computed according to the above parameters (suggested extension '.abs')."));
+//		par.addParam(RichSaveFile("AbsSaveName", "", "*.txt", "Save AM", "The filename where the computed abstract mesh will be saved. If empty, nothing will be done."));
 		break;
 	}
 	case ISOP_REMESHING :
@@ -218,9 +218,9 @@ std::map<std::string, QVariant> FilterIsoParametrization::applyFilter(
 		CMeshO::PerMeshAttributeHandle<IsoParametrization> isoPHandle = 
 				tri::Allocator<CMeshO>::GetPerMeshAttribute<IsoParametrization>(*mesh,"isoparametrization");
 		
-		QString AbsLoadName = par.getString("AbsLoadName");
-		if(AbsLoadName.isEmpty())
-		{    
+//		QString AbsLoadName = par.getString("AbsLoadName");
+//		if(AbsLoadName.isEmpty())
+//		{
 			IsoParametrizator Parametrizator;
 			switch (stopCriteria)
 			{
@@ -276,24 +276,24 @@ std::map<std::string, QVariant> FilterIsoParametrization::applyFilter(
 			}
 			
 			isoPHandle().CopyParametrization<CMeshO>(mesh); ///copy back to original mesh
-		}
-		else
-		{
-			AbstractMesh *abs_mesh = new AbstractMesh();
-			ParamMesh *para_mesh = new ParamMesh();
-			bool Done=isoPHandle().LoadBaseDomain<CMeshO>(qUtf8Printable(AbsLoadName),mesh,para_mesh,abs_mesh,true);
-			if (!Done)
-			{
-				delete para_mesh;
-				delete abs_mesh;
-				throw MLException("Abstract domain doesn't fit well with the parametrized mesh");
-			}
-		}
+//		}
+//		else
+//		{
+//			AbstractMesh *abs_mesh = new AbstractMesh();
+//			ParamMesh *para_mesh = new ParamMesh();
+//			bool Done=isoPHandle().LoadBaseDomain<CMeshO>(qUtf8Printable(AbsLoadName),mesh,para_mesh,abs_mesh,true);
+//			if (!Done)
+//			{
+//				delete para_mesh;
+//				delete abs_mesh;
+//				throw MLException("Abstract domain doesn't fit well with the parametrized mesh");
+//			}
+//		}
 		
-		QString AbsSaveName = par.getString("AbsSaveName");
-		if(!AbsSaveName.isEmpty()) {
-			isoPHandle().SaveBaseDomain(qUtf8Printable(AbsSaveName));
-		}
+//		QString AbsSaveName = par.getString("AbsSaveName");
+//		if(!AbsSaveName.isEmpty()) {
+//			isoPHandle().SaveBaseDomain(qUtf8Printable(AbsSaveName));
+//		}
 		break;
 	}
 	case ISOP_REMESHING :
diff --git a/src/meshlabplugins/filter_isoparametrization/iso_parametrization.h b/src/meshlabplugins/filter_isoparametrization/iso_parametrization.h
index 403e9f36c..cc1300932 100644
--- a/src/meshlabplugins/filter_isoparametrization/iso_parametrization.h
+++ b/src/meshlabplugins/filter_isoparametrization/iso_parametrization.h
@@ -1754,7 +1754,7 @@ public:
         typedef std::map<AbstractVertex*,int>::iterator iteMapVert;
 
         ///add vertices
-        fprintf(f,"%d,%d \n",AbsMesh()->fn,AbsMesh()->vn);
+		fprintf(f,"%d,%d \n",AbsMesh()->vn,AbsMesh()->fn);
         int index=0;
         for (unsigned int i=0;i<AbsMesh()->vert.size();i++)
         {