diff --git a/src/BuildGUI/BuildGUI_EdgeDlg.cxx b/src/BuildGUI/BuildGUI_EdgeDlg.cxx
index f5b403f0d..770cc70b3 100644
--- a/src/BuildGUI/BuildGUI_EdgeDlg.cxx
+++ b/src/BuildGUI/BuildGUI_EdgeDlg.cxx
@@ -26,12 +26,15 @@
 //  Module : GEOM
 //  $Header$
 
-using namespace std;
 #include "BuildGUI_EdgeDlg.h"
 
 #include <BRepBuilderAPI_MakeEdge.hxx>
 #include <Precision.hxx>
 
+#include "utilities.h"
+
+using namespace std;
+
 //=================================================================================
 // class    : BuildGUI_EdgeDlg()
 // purpose  : Constructs a BuildGUI_EdgeDlg which is a child of 'parent', with the