diff --git a/API_GdbCreateSurf.cpp b/API_GdbCreateSurf.cpp
index 95a2792..40d581e 100644
--- a/API_GdbCreateSurf.cpp
+++ b/API_GdbCreateSurf.cpp
@@ -49,7 +49,7 @@ __stdcall EgtCreateSurfTmBBox( int nParentId, const double ptMin[3], const doubl
         ptMin[2] < ( ptMax[2] + EPS_SMALL))
       b3Box.Set( ptMin, ptMax) ;
   // eseguo
-   return ExeCreateSurfTmBBox( nParentId, b3Box, nRefType) ;
+   return ExeCreateSurfTmBBox( nParentId, b3Box, false, nRefType) ;
 }
 
 //-------------------------------------------------------------------------------
@@ -57,7 +57,7 @@ int
 __stdcall EgtCreateSurfTmBox( int nParentId, const double ptIni[3], const double ptCross[3],
                               const double ptDir[3], double dHeight, int nRefType)
 {
-   return ExeCreateSurfTmBox( nParentId, ptIni, ptCross, ptDir, dHeight, nRefType) ;
+   return ExeCreateSurfTmBox( nParentId, ptIni, ptCross, ptDir, dHeight, false, nRefType) ;
 }
 
 //-------------------------------------------------------------------------------