diff --git a/SurfBezier.cpp b/SurfBezier.cpp
index 8be2b0d..f336b34 100644
--- a/SurfBezier.cpp
+++ b/SurfBezier.cpp
@@ -5969,7 +5969,7 @@ SurfBezier::CreateByIsoParamSet( const ICurve* pCurve0, const ICurve* pCurve1, c
    for ( int i = 0 ; i < ssize( vIso) ; ++i) {
       const BIPOINT& pCrv = vCrv[vIso[i].nCrv] ;
       Point3d ptU0 = pCrv.first ;
-      Point3d ptU1 ; pCrv.second ;
+      Point3d ptU1 = pCrv.second ;
       double& dParam0 = vIso[i].dParam0 ;
       double& dParam1 = vIso[i].dParam1 ;
       // se sono vicino ad un'intero allora considero il parametro intero ( uno split già esistente)