diff --git a/scripts/for_benchmarking_ais/common.py b/scripts/for_benchmarking_ais/common.py
index e5168480..79d88b4c 100644
--- a/scripts/for_benchmarking_ais/common.py
+++ b/scripts/for_benchmarking_ais/common.py
@@ -11,6 +11,7 @@
 import torch
 
 import torch_em
+from torch_em.transform.raw import normalize
 from torch_em.transform.raw import standardize
 from torch_em.loss import DiceBasedDistanceLoss
 from torch_em.util import segmentation, prediction
@@ -28,6 +29,12 @@
 #
 
 
+def covid_if_raw_trafo(raw):
+    raw = normalize(raw)
+    raw = raw * 255
+    return raw
+
+
 def get_loaders(path, patch_shape, dataset, for_sam=False):
     kwargs = {
         "label_transform": PerObjectDistanceTransform(
@@ -44,7 +51,7 @@ def get_loaders(path, patch_shape, dataset, for_sam=False):
     }
 
     if for_sam:
-        kwargs["raw_transform"] = sam_training.identity
+        kwargs["raw_transform"] = sam_training.identity if dataset == "livecell" else covid_if_raw_trafo
 
     if dataset == "livecell":
         train_loader = get_livecell_loader(path=os.path.join(path, "livecell"), split="train", batch_size=2, **kwargs)