diff --git a/API_Scene.cpp b/API_Scene.cpp
index 374b823..b896bd9 100644
--- a/API_Scene.cpp
+++ b/API_Scene.cpp
@@ -59,9 +59,9 @@ __stdcall EgtSetLineAttribs( int nWidth)
 
 //-----------------------------------------------------------------------------
 BOOL
-__stdcall EgtSetMarkAttribs( const int MarkCol[4])
+__stdcall EgtSetMarkAttribs( const int MarkCol[4], const int Mark2Col[4])
 {
-   return ( ExeSetMarkAttribs( Color( MarkCol)) ? TRUE : FALSE) ;
+   return ( ExeSetMarkAttribs( Color( MarkCol), Color( Mark2Col)) ? TRUE : FALSE) ;
 }
 
 //-----------------------------------------------------------------------------