diff --git a/ml_pytorch_mlflow.py b/ml_pytorch_mlflow.py
index 38f808a..d0cf384 100644
--- a/ml_pytorch_mlflow.py
+++ b/ml_pytorch_mlflow.py
@@ -149,7 +149,7 @@ def my_main(epochs):
     
     input_example = val_ds[0]
     # input_example = input_example.unsqueeze(0)
-    signature = mlflow.models.signature.infer_signature(input_, prediction(input_example, model))
+    signature = mlflow.models.signature.infer_signature(input_example, prediction(input_example, model))
     tracking_url_type_store = urlparse(mlflow.get_tracking_uri()).scheme
 
     if tracking_url_type_store != "file":