diff --git a/docs/source/examples/example_model.py b/docs/source/examples/example_model.py
index 3238dab773..5bf1ead73d 100644
--- a/docs/source/examples/example_model.py
+++ b/docs/source/examples/example_model.py
@@ -75,7 +75,7 @@ class ExampleModel(RootModule):
         # return loss_val, tqdm_dic
 
         output = OrderedDict({
-            'loss_val': loss_val,
+            'tng_loss': loss_val,
         })
         return output