diff --git a/Geo/discreteFace.cpp b/Geo/discreteFace.cpp
index cdeb7a0eed0edc3d72743907eb9a80567676e5aa..adfe66b9b2d62c6f159a289eeb84a11f4adb4bf5 100644
--- a/Geo/discreteFace.cpp
+++ b/Geo/discreteFace.cpp
@@ -275,7 +275,7 @@ void discreteFace::createGeometry()
     df->replaceEdges(toParam[i]->my_GEdges);
     _atlas.push_back(df);
   }
-  complex_crossField();
+  //complex_crossField();
 #endif
 }
 
diff --git a/tutorial/t13.geo b/tutorial/t13.geo
index 8e20084e29540f825bd0fcc11f003657cdeda09d..f70ec02c551af1f6b37ec830b4f25f026478c4a8 100644
--- a/tutorial/t13.geo
+++ b/tutorial/t13.geo
@@ -32,14 +32,10 @@ Volume(1) = {1};
 
 // element size imposed by a size field
 Field[1] = MathEval;
-Field[1].F = "2.0";
+Field[1].F = "1.5";
 Background Field = 1;
 
-DefineConstant[
-  funny = {0, Choices{0,1},
-    Name "Parameters/Apply funny mesh size field?"}
-];
-
+funny = DefineNumber[0, Choices{0,1}, Name "Parameters/Apply funny mesh size field?" ];
 If(funny)
   Field[1].F = "2*Sin((x+y)/5) + 3";
 EndIf