diff --git a/API_MachMgr.cpp b/API_MachMgr.cpp
index 996cea7..8a05e9b 100644
--- a/API_MachMgr.cpp
+++ b/API_MachMgr.cpp
@@ -184,6 +184,13 @@ __stdcall EgtAddMachGroup( const wchar_t* wsName, const wchar_t* wsMachineName)
    return ExeAddMachGroup( wstrztoA( wsName), wstrztoA( wsMachineName)) ;
 }
 
+//-----------------------------------------------------------------------------
+int
+__stdcall EgtCopyMachGroup( const wchar_t* wsSouName, const wchar_t* wsName)
+{
+   return ExeCopyMachGroup( wstrztoA( wsSouName), wstrztoA( wsName)) ;
+}
+
 //-----------------------------------------------------------------------------
 BOOL
 __stdcall EgtRemoveMachGroup( int nMGroupId)
diff --git a/EgtInterface.rc b/EgtInterface.rc
index 1ab5735..bf44e79 100644
Binary files a/EgtInterface.rc and b/EgtInterface.rc differ