diff --git a/experiments/setup_env.jl b/experiments/setup_env.jl
index a7b2108a8c89bd313c5bae222778cb9c76c6bd55..1f92ef116aa53eef8ffe439a7304e34a49ba5c0f 100644
--- a/experiments/setup_env.jl
+++ b/experiments/setup_env.jl
@@ -182,12 +182,13 @@ const GRID_SEARCH = "grid_search" ∈ ARGS
 
 "Generator tuning parameters."
 DEFAULT_GENERATOR_TUNING = (
-    Λ = [[0.1, 0.1, 0.05], [0.1, 0.1, 0.1], [0.1, 0.1, 0.5], [0.1, 0.1, 1.0]],
-    reg_strength = [0.0, 0.1, 0.25, 0.5, 1.0],
+    Λ=[[0.1, 0.1, 0.1], [0.1, 0.1, 0.5],],
+    reg_strength = [0.0, 0.1, 1.0],
     opt = [
         Descent(0.01),
         Descent(0.05),
-        Descent(0.1),
+        Optimiser(ClipValue(0.01), Descent(0.01)),
+        Optimiser(ClipValue(0.05), Descent(0.05)),
     ],
     decay = [(0.0, 1), (0.01, 1), (0.1, 1)],
 )