diff --git a/optimizer_dadapt.json b/optimizer_dadapt.json
index 9f45714..f6b57d0 100644
--- a/optimizer_dadapt.json
+++ b/optimizer_dadapt.json
@@ -46,6 +46,7 @@
         "decouple": true
     },
     "text_encoder_freezing": {
-        "unfreeze_last_n_layers": 6
-    }
+        "unfreeze_last_n_layers": null
+    },
+    "apply_grad_scaler_step_tweaks": true
 }