diff --git a/experiments/grid_search.jl b/experiments/grid_search.jl
index bfb20a3fa71bcb8e551e4a15c733abb44c481ab4..1bfda483912326e678052e7b2a00007c3b8d5a7f 100644
--- a/experiments/grid_search.jl
+++ b/experiments/grid_search.jl
@@ -47,8 +47,8 @@ function grid_search(
     if !(is_multi_processed(PLZ) && MPI.Comm_rank(PLZ.comm) != 0)
         Serialization.serialize(joinpath(grid_search_path, "$(replace(lowercase(dataname), " " => "_")).jls"), outcomes)
         Serialization.serialize(joinpath(grid_search_path, "$(replace(lowercase(dataname), " " => "_"))_best.jls"), best_outcome(outcomes))
-        Serialization.serialise(joinpath(grid_search_path, "$(replace(lowercase(dataname), " " => "_"))_best_eccco.jls"), best_eccco(outcomes))
-        Serialization.serialise(joinpath(grid_search_path, "$(replace(lowercase(dataname), " " => "_"))_best_eccco_Δ.jls"), best_eccco_Δ(outcomes))
+        Serialization.serialize(joinpath(grid_search_path, "$(replace(lowercase(dataname), " " => "_"))_best_eccco.jls"), best_eccco(outcomes))
+        Serialization.serialize(joinpath(grid_search_path, "$(replace(lowercase(dataname), " " => "_"))_best_eccco_Δ.jls"), best_eccco_Δ(outcomes))
     end
 end
 
diff --git a/experiments/mnist.jl b/experiments/mnist.jl
index f7fb962229536739dc320641478657863da6175e..34aae4c3979cfef34277a96f1a6692631f0917ab 100644
--- a/experiments/mnist.jl
+++ b/experiments/mnist.jl
@@ -38,10 +38,10 @@ params = (
     epochs=10,
     nsamples=50,
     nmin=1,
-    niter_eccco=10,
+    niter_eccco=500,
     Λ=[0.1, 0.25, 0.25],
     Λ_Δ=[0.1, 0.1, 2.5],
-    opt=Flux.Optimise.Descent(0.1)
+    opt=Flux.Optimise.Adam(0.1)
 )
 
 if !GRID_SEARCH