diff --git a/src/Arrays/Autodiff.jl b/src/Arrays/Autodiff.jl
index a879365a0..3199e9068 100644
--- a/src/Arrays/Autodiff.jl
+++ b/src/Arrays/Autodiff.jl
@@ -29,13 +29,12 @@ function autodiff_array_gradient(a,i_to_x,j_to_i)
     T0=T
   end
   i_to_xdual = lazy_map(DualizeMap(ForwardDiff.gradient),T,i_to_x)
-  j_to_ydual = a(i_to_xdual,T0)
+  j_to_ydual = a(i_to_xdual)
   j_to_cfg = lazy_map(ConfigMap(ForwardDiff.gradient),j_to_x)
   j_to_result = lazy_map(AutoDiffMap(ForwardDiff.gradient),j_to_ydual,j_to_x,j_to_cfg)
   j_to_result
 end
 
-
 function autodiff_array_jacobian(a,i_to_x,j_to_i)
   i_to_xdual = lazy_map(DualizeMap(ForwardDiff.jacobian),i_to_x)
   j_to_ydual = a(i_to_xdual)
diff --git a/src/FESpaces/FEAutodiff.jl b/src/FESpaces/FEAutodiff.jl
index 1238defc5..baa706c48 100644
--- a/src/FESpaces/FEAutodiff.jl
+++ b/src/FESpaces/FEAutodiff.jl
@@ -80,10 +80,10 @@ end
 
 function _change_argument(op,f,trian,uh::SingleFieldFEFunction)
   U = get_fe_space(uh)
-  function g(cell_u,T)
+  function g(cell_u)
     v = get_fe_basis(U)
     cell_basis = get_data(v)
-    #T=typeof(cell_u)
+    T=typeof(cell_u)
     cell_field = lazy_map(linear_combination,T,cell_u,cell_basis)
     cf = GenericCellField(cell_field,get_triangulation(v),DomainStyle(v))
     cell_grad = f(cf)
diff --git a/src/MultiField/MultiFieldFEAutodiff.jl b/src/MultiField/MultiFieldFEAutodiff.jl
index afb3422c4..5f88b2bf3 100644
--- a/src/MultiField/MultiFieldFEAutodiff.jl
+++ b/src/MultiField/MultiFieldFEAutodiff.jl
@@ -23,10 +23,11 @@ end
 function FESpaces._change_argument(
   op::typeof(gradient),f,trian,uh::MultiFieldFEFunction)
   U = get_fe_space(uh)
-  function g(cell_u,T)
+  function g(cell_u)
     single_fields = GenericCellField[]
     nfields = length(U.spaces)
     for i in 1:nfields
+      T =  eltype(eltype(cell_u))
       cell_values_field = lazy_map(a->a.array[i],T,cell_u)
       v = get_fe_basis(U.spaces[i])
       cell_basis = get_data(v)