diff --git a/EInAPI.h b/EInAPI.h
index fbbbb59..e49318d 100644
--- a/EInAPI.h
+++ b/EInAPI.h
@@ -637,7 +637,7 @@ EIN_EXPORT int  __stdcall EgtExtractSurfTmFacetLoops( int nId, int nFacet, int n
 EIN_EXPORT int  __stdcall EgtCopySurfTmFacet( int nId, int nFacet, int nDestGrpId) ;
 EIN_EXPORT int  __stdcall EgtExtractSurfTmTriaLoop( int nId, int nT, int nDestGrpId) ;
 EIN_EXPORT int  __stdcall EgtExtractSurfBezierLoops( int nId, int nDestGrpId, int* pnCount) ;
-EIN_EXPORT BOOL __stdcall EgtSurfBezParamsFromPoint( int nIdSurf, double ptPBez[3], int nDestGroup, double ptPParam[3]) ;
+EIN_EXPORT BOOL __stdcall EgtSurfBezParamsFromPoint( int nIdSurf, double ptPBez[3], int nDestGroup, double& dU, double& dV) ;
 
 // Geo Snap Vector/Point/Frame
 EIN_EXPORT BOOL __stdcall EgtStartPoint( int nId, int nRefId, double ptP[3]) ;
diff --git a/EXeExecutor.h b/EXeExecutor.h
index 1eb5a91..24164f8 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -856,7 +856,7 @@ EXE_EXPORT bool ExeSurfBezierGetPointNrmD1( int nSurfId, double dU, double dV, i
                                             Point3d& ptP, Vector3d& vtN, Vector3d& vtDerU, Vector3d& vtDerV) ;
 EXE_EXPORT int  ExeSurfBezierGetCurveU( int nSurfId, double dV, int nDestGrpId) ;
 EXE_EXPORT int  ExeSurfBezierGetCurveV( int nSurfId, double dU, int nDestGrpId) ;
-EXE_EXPORT bool ExeSurfBezParamsFromPoint( int nSurfId, const Point3d& ptOnSurf, int nDestGrpId, Point3d& ptParam) ;
+EXE_EXPORT bool ExeSurfBezParamsFromPoint( int nSurfId, const Point3d& ptOnSurf, int nDestGrpId, double& dU, double& dV) ;
 EXE_EXPORT bool ExeSurfBezierGetInfo( int nSurfId, int& nDegU, int& nDegV, int& nSpanU, int& nSpanV, bool& bIsRat, bool& bTrimmed) ;
 EXE_EXPORT int  ExeSurfBezierGetControlCurveU( int nSurfId, int nIndV, int nDestGrpId) ;
 EXE_EXPORT int  ExeSurfBezierGetControlCurveV( int nSurfId, int nIndU, int nDestGrpId) ;