diff --git a/src/geomlib/TVSurface.cxx b/src/geomlib/TVSurface.cxx
index 326be83..650346b 100644
--- a/src/geomlib/TVSurface.cxx
+++ b/src/geomlib/TVSurface.cxx
@@ -48,11 +48,10 @@ Int_t TVSurface::CalcXingPointWith(const TVTrack  &hel,
 				         Int_t     mode,
 				         Double_t  eps) const
 {
-   eps = 1.e-5;
-
+   //   eps = 1.e-5; // do we really want to ignore the input value?
    // this Newtonian method is used for non-uniform b field,
    // for this case mode is currently set to 0
-   mode = 0;
+   //   mode = 0; // do we really want to ignore the input value?
 
    static const Int_t       maxcount   = 100;
    static const Double_t    initlambda = 1.e-10;
diff --git a/src/geomlib/TVSurface.h b/src/geomlib/TVSurface.h
index be0a085..3717f77 100644
--- a/src/geomlib/TVSurface.h
+++ b/src/geomlib/TVSurface.h
@@ -36,12 +36,12 @@ class TVSurface : public TObject {
    virtual Int_t    CalcXingPointWith(const TVTrack  &hel,
                                             TVector3 &xx,
                                             Double_t &phi,
-                                            Double_t  eps = 1.e-8) const;
+                                            Double_t  eps = 1.e-5) const;
    virtual Int_t    CalcXingPointWith(const TVTrack  &hel,
                                             TVector3 &xx,
                                             Double_t &phi,
                                             Int_t     mode,
-   				            Double_t  eps = 1.e-8) const;
+   				            Double_t  eps = 1.e-5) const;
 
    virtual Double_t CalcS            (const TVector3 &xx) const = 0;
    virtual TMatrixD CalcDSDx         (const TVector3 &xx) const = 0;