diff --git a/Mesh/periodical.h b/Mesh/periodical.h
index 031580e09dce280280d6a381a1f2b0e64fa110b4..8bb96d2df5f80b1007d737a364d50be242d1357f 100644
--- a/Mesh/periodical.h
+++ b/Mesh/periodical.h
@@ -16,8 +16,8 @@ class voroMetal3D{
   ~voroMetal3D();
   void execute(double);
   void execute(GRegion*,double);
-  void execute(std::vector<SPoint3>&,double);
-  void execute(std::vector<double>&,double);
+  void execute(std::vector<SPoint3>&,std::vector<double>&,int,double);
+  void execute(std::vector<double>&,int,double);
   void print_segment(SPoint3,SPoint3,std::ofstream&);
   void initialize_counter();
   void increase_counter();