diff --git a/Periodic_4_hyperbolic_triangulation_2/demo/Periodic_4_hyperbolic_triangulation_2/Periodic_4_hyperbolic_Delaunay_triangulation_2_demo.cpp b/Periodic_4_hyperbolic_triangulation_2/demo/Periodic_4_hyperbolic_triangulation_2/Periodic_4_hyperbolic_Delaunay_triangulation_2_demo.cpp
index a9ec55bed70..63fa18bfb76 100644
--- a/Periodic_4_hyperbolic_triangulation_2/demo/Periodic_4_hyperbolic_triangulation_2/Periodic_4_hyperbolic_Delaunay_triangulation_2_demo.cpp
+++ b/Periodic_4_hyperbolic_triangulation_2/demo/Periodic_4_hyperbolic_triangulation_2/Periodic_4_hyperbolic_Delaunay_triangulation_2_demo.cpp
@@ -808,10 +808,10 @@ int main(int argc, char **argv)
 
   // Import resources from libCGALQt4.
   // See http://doc.trolltech.com/4.4/qdir.html#Q_INIT_RESOURCE
-  Q_INIT_RESOURCE(File);
-  Q_INIT_RESOURCE(Triangulation_2);
-  Q_INIT_RESOURCE(Input);
-  Q_INIT_RESOURCE(CGAL);
+  //Q_INIT_RESOURCE(File);
+  //Q_INIT_RESOURCE(Triangulation_2);
+  //Q_INIT_RESOURCE(Input);
+  //Q_INIT_RESOURCE(CGAL);
 
   MainWindow mainWindow;
   mainWindow.show();
diff --git a/Periodic_4_hyperbolic_triangulation_2/include/CGAL/Periodic_4_hyperbolic_Delaunay_triangulation_2.h b/Periodic_4_hyperbolic_triangulation_2/include/CGAL/Periodic_4_hyperbolic_Delaunay_triangulation_2.h
index 03ee61d70ad..893623203c9 100644
--- a/Periodic_4_hyperbolic_triangulation_2/include/CGAL/Periodic_4_hyperbolic_Delaunay_triangulation_2.h
+++ b/Periodic_4_hyperbolic_triangulation_2/include/CGAL/Periodic_4_hyperbolic_Delaunay_triangulation_2.h
@@ -73,7 +73,7 @@ public:
         CGAL_triangulation_postcondition( this->is_valid() );
     }
 
-    void insert_dummy_points(std::vector<Point>&);
+    void insert_dummy_points(std::vector<typename Gt::Point_2>&);
 
 };
 
diff --git a/Periodic_4_hyperbolic_triangulation_2/include/CGAL/Periodic_4_hyperbolic_Delaunay_triangulation_dummy.h b/Periodic_4_hyperbolic_triangulation_2/include/CGAL/Periodic_4_hyperbolic_Delaunay_triangulation_dummy.h
index fc1529b35e4..49bf55a6a7a 100644
--- a/Periodic_4_hyperbolic_triangulation_2/include/CGAL/Periodic_4_hyperbolic_Delaunay_triangulation_dummy.h
+++ b/Periodic_4_hyperbolic_triangulation_2/include/CGAL/Periodic_4_hyperbolic_Delaunay_triangulation_dummy.h
@@ -197,11 +197,12 @@ namespace CGAL {
     }
 */
     
-    template < class GT, class TDS >
-    void Periodic_4_hyperbolic_Delaunay_triangulation_2<GT, TDS>::insert_dummy_points(std::vector<typename GT::Point_2>& all_points) {
+    template < class Gt, class Tds >
+    void Periodic_4_hyperbolic_Delaunay_triangulation_2<Gt, Tds>::
+    insert_dummy_points(std::vector<typename Gt::Point_2>& all_points) {
         
-        std::vector<typename GT::Point_2> inner_points, points_on_boundary, points_on_vertex;
-        compute_dummy_points<GT>(inner_points, points_on_boundary, points_on_vertex);
+        std::vector<typename Gt::Point_2> inner_points, points_on_boundary, points_on_vertex;
+        compute_dummy_points<Gt>(inner_points, points_on_boundary, points_on_vertex);
         all_points = inner_points;