diff --git a/API_GdbGetSurf.cpp b/API_GdbGetSurf.cpp
index 3586c7f..d6d05f1 100644
--- a/API_GdbGetSurf.cpp
+++ b/API_GdbGetSurf.cpp
@@ -353,10 +353,8 @@ __stdcall EgtExtractSurfBezierLoops( int nId, int nDestGrpId, int* pnCount)
 
 //----------------------------------------------------------------------------
 BOOL
-__stdcall EgtSurfBezParamsFromPoint( int nIdSurf, double ptPBez[3], int nDestGroup, double ptPParam[3])
+__stdcall EgtSurfBezParamsFromPoint( int nIdSurf, double ptPBez[3], int nDestGroup, double& dU, double& dV)
 {
-   Point3d ptParam = P_INVALID ;  
-   bool bOk = ExeSurfBezParamsFromPoint( nIdSurf, ptPBez, nDestGroup, ptParam) ;
-   VEC_FROM_3D( ptPParam, ptParam)
+   bool bOk = ExeSurfBezParamsFromPoint( nIdSurf, ptPBez, nDestGroup, dU, dV) ;
    return ( bOk ? TRUE : FALSE) ;
 }