diff --git a/ml_pytorch_mlflow.py b/ml_pytorch_mlflow.py
index 80e559d..bf06f9e 100644
--- a/ml_pytorch_mlflow.py
+++ b/ml_pytorch_mlflow.py
@@ -147,7 +147,7 @@ def my_main(epochs):
             input_, target = val_ds[i]
             file.write(str(predict_single(input_, target, model)))
     
-    input_example = val_ds[0].unsqueeze(0)
+    input_example = val_ds[0]
     signature = mlflow.models.signature.infer_signature(input_, prediction(input_, model))
     tracking_url_type_store = urlparse(mlflow.get_tracking_uri()).scheme