diff --git a/ml_pytorch_mlflow.py b/ml_pytorch_mlflow.py
index ddc3801..99b4364 100644
--- a/ml_pytorch_mlflow.py
+++ b/ml_pytorch_mlflow.py
@@ -147,10 +147,9 @@ def my_main(epochs):
             input_, target = val_ds[i]
             file.write(str(predict_single(input_, target, model)))
     
-    val_ds_x = val_ds.unsqueeze(0)
     input_example = val_ds_x[0]
     # input_example = input_example.unsqueeze(0)
-    signature = mlflow.models.signature.infer_signature(input_example, model(input_example))
+    signature = mlflow.models.signature.infer_signature(input_[0], prediction(input_[0]), model)
     tracking_url_type_store = urlparse(mlflow.get_tracking_uri()).scheme
 
     if tracking_url_type_store != "file":