diff --git a/apps/sample/polygonmesh_polychord_collapse/polygonmesh_polychord_collapse.cpp b/apps/sample/polygonmesh_polychord_collapse/polygonmesh_polychord_collapse.cpp
index 06979cd3..af63a8b7 100644
--- a/apps/sample/polygonmesh_polychord_collapse/polygonmesh_polychord_collapse.cpp
+++ b/apps/sample/polygonmesh_polychord_collapse/polygonmesh_polychord_collapse.cpp
@@ -1,13 +1,10 @@
 #include <iostream>
 #include <vcg/complex/complex.h>
-#include <vcg/complex/algorithms/update/topology.h>
 #include <vcg/complex/algorithms/clean.h>
-#include <vcg/complex/algorithms/update/bounding.h>
-#include <vcg/complex/algorithms/update/normal.h>
 #include <wrap/io_trimesh/import.h>
 #include <wrap/io_trimesh/export.h>
 #include <vcg/complex/algorithms/polygon_support.h>
-#include <vcg/complex/algorithms/polygon_polycoord_collapse.h>
+#include <vcg/complex/algorithms/polygon_polychord_collapse.h>
 
 using namespace vcg;
 
diff --git a/apps/sample/polygonmesh_polychord_collapse/polygonmesh_polychord_collapse.pro b/apps/sample/polygonmesh_polychord_collapse/polygonmesh_polychord_collapse.pro
index eb4dc92a..ae02ae8e 100644
--- a/apps/sample/polygonmesh_polychord_collapse/polygonmesh_polychord_collapse.pro
+++ b/apps/sample/polygonmesh_polychord_collapse/polygonmesh_polychord_collapse.pro
@@ -1,2 +1,3 @@
 include(../common.pri)
-SOURCES += $$VCGLIBDIR/wrap/ply/plylib.cpp
+SOURCES += polygonmesh_polychord_collapse.cpp ../../../wrap/ply/plylib.cpp
+TARGET = polygonmesh_polychord_collapse