diff --git a/common/WideHalo.cpp b/common/WideHalo.cpp
index 78753d33..0a52bbd8 100644
--- a/common/WideHalo.cpp
+++ b/common/WideHalo.cpp
@@ -1,6 +1,7 @@
 /* 
 This class implements support for halo widths larger than 1
  */
+#include "common/WideHalo.h"
 
 ScaLBLWideHalo_Communicator::ScaLBLWideHalo_Communicator(std::shared_ptr <Domain> Dm, int width)
 {
@@ -383,5 +384,5 @@ void ScaLBLWideHalo_Communicator::Recv(double *data){
 }
 
 inline int getHaloBlock(){
-}
+
 }
diff --git a/common/WideHalo.h b/common/WideHalo.h
index 11252426..ac9f8833 100644
--- a/common/WideHalo.h
+++ b/common/WideHalo.h
@@ -1,6 +1,9 @@
 /* 
 This class implements support for halo widths larger than 1
  */
+#ifndef WideHalo_H
+#define WideHalo_H
+#include "common/Domain.h"
 
 class ScaLBLWideHalo_Communicator{
 public:
@@ -92,5 +95,5 @@ private:
 	int *dvcRecvList_xyz,*dvcRecvList_Xyz,*dvcRecvList_xYz,*dvcRecvList_XYz;
 	int *dvcRecvList_xyZ,*dvcRecvList_XyZ,*dvcRecvList_xYZ,*dvcRecvList_XYZ;
 	//......................................................................................
-
 };
+#endif