diff --git a/API_MachMgr.cpp b/API_MachMgr.cpp
index 8a05e9b..d7d32a9 100644
--- a/API_MachMgr.cpp
+++ b/API_MachMgr.cpp
@@ -198,6 +198,13 @@ __stdcall EgtRemoveMachGroup( int nMGroupId)
    return ( ExeRemoveMachGroup( nMGroupId) ? TRUE : FALSE) ;
 }
 
+//-----------------------------------------------------------------------------
+BOOL
+__stdcall EgtChangeMachGroupName( int nMGroupInd, const wchar_t* wsNewName)
+{
+   return ( ExeChangeMachGroupName( nMGroupInd, wstrztoA( wsNewName)) ? TRUE : FALSE) ;
+}
+
 //-----------------------------------------------------------------------------
 BOOL
 __stdcall EgtGetMachGroupName( int nMGroupInd, wchar_t*& wsName)