diff --git a/tracy/tracy/src/t2elem.cc b/tracy/tracy/src/t2elem.cc
index 0a31571745a5710a0758ac908c767c0fc0e2adb9..bb53dbceffec0d378eaf1d2abddfab8be03baef7 100644
--- a/tracy/tracy/src/t2elem.cc
+++ b/tracy/tracy/src/t2elem.cc
@@ -735,9 +735,9 @@ void thin_kick(int Order, double MB[], double L, double h_bend, double h_ref,
  Compute edge focusing for a dipole
  There is no radiation coming from the edge
  The standard formula used is :
-                   irho
-       px = px0 + ------ tan(phi) *x0
-                  1 + dP
+
+       px = px0 +  irho tan(phi) *x0
+
 
                    irho
        pz = pz0 - ------ tan(phi - psi) *z0
@@ -771,12 +771,15 @@ void thin_kick(int Order, double MB[], double L, double h_bend, double h_ref,
  expansion.
  Now chromaticities in Tracy II and Tracy III are the same.
  Modification based on Tracy II soleil version.
+
+ April 2011, No energy dependence for H-plane according to SSC-141 note (E. Forest)
+ Agreement better with MAD8 (LNLS), SOLEIL small effect (.1)
  ****************************************************************************/
 template<typename T>
 static void EdgeFocus(double irho, double phi, double gap, ss_vect<T> &x) {
     if (true) {
         // warning: => diverging Taylor map (see SSC-141)
-        x[px_] += irho * tan(dtor(phi)) * x[x_] / (1.0 + x[delta_]);
+        x[px_] += irho * tan(dtor(phi)) * x[x_];
         x[py_] -= irho * tan(dtor(phi) - get_psi(irho, phi, gap)) * x[y_]
                 / (1.0 + x[delta_]);
     } else {