diff --git a/experiments/fmnist.jl b/experiments/fmnist.jl
index 4c53693dcdb14d65b7e0f6141c55282cb760fc17..bb170d4d0a4df86b69d045aab44f86e6ee358cff 100644
--- a/experiments/fmnist.jl
+++ b/experiments/fmnist.jl
@@ -41,6 +41,7 @@ params = (
     niter_eccco=10,
     Λ=[0.1, 0.25, 0.25],
     Λ_Δ=[0.1, 0.1, 2.5],
+    opt=Flux.Optimise.Descent(0.1)
 )
 
 if !GRID_SEARCH
diff --git a/experiments/mnist.jl b/experiments/mnist.jl
index d9e73856ad6d08f1e7482196b1adcace74b827fd..f7fb962229536739dc320641478657863da6175e 100644
--- a/experiments/mnist.jl
+++ b/experiments/mnist.jl
@@ -41,6 +41,7 @@ params = (
     niter_eccco=10,
     Λ=[0.1, 0.25, 0.25],
     Λ_Δ=[0.1, 0.1, 2.5],
+    opt=Flux.Optimise.Descent(0.1)
 )
 
 if !GRID_SEARCH
diff --git a/experiments/setup_env.jl b/experiments/setup_env.jl
index 4852394c8522ce9bd8ff0440f0bc69e1b019a73d..e7a89092c189f901f29119507572db1207b2c6da 100644
--- a/experiments/setup_env.jl
+++ b/experiments/setup_env.jl
@@ -154,6 +154,11 @@ DEFAULT_GENERATOR_TUNING = (
         [0.1, 0.5, 0.5],
     ],
     reg_strength=[0.0, 0.1, 0.5],
+    opt=[
+        Flux.Optimise.Descent(0.1), 
+        Flux.Optimise.Descent(0.05),
+        Flux.Optimise.Descent(0.01),
+    ],
 )
 
 "Boolean flag to check if model tuning was specified."