diff --git a/DiffractionGratings/grating2D.pro b/DiffractionGratings/grating2D.pro
index ea6e771e9a5ee49e78d4dbde984133d35dcc1504..1f73550b2791d676c33d90d08832e5bc39486074 100644
--- a/DiffractionGratings/grating2D.pro
+++ b/DiffractionGratings/grating2D.pro
@@ -7,7 +7,7 @@ Include "grating2D_data.geo";
 Include "grating2D_materials.pro";
 myDir = "run_results/";
 DefineConstant[
-         lambda0 = {lambda_min , Min lambda_min, Max lambda_max, Step (lambda_max-lambda_min)/(nb_lambdas-1), Name StrCat[pp2, "0wavelength [nm]"] , Loop 1, Highlight Str[colorpp2],Graph "200000200020"}
+         lambda0 = {lambda_min , Min lambda_min, Max lambda_max, Step (lambda_max-lambda_min)/(nb_lambdas-1), Name StrCat[pp2, "0wavelength [nm]"] , Loop 1, Highlight Str[colorpp2],Graph "200000200020", ServerAction "Reset GetDP/T0, GetDP/R0, GetDP/Lambda_step, GetDP/total absorption"}
          ];
 lambda0    = lambda0    * nm;
 lambda_min = lambda_min * nm;