diff --git a/beginner_source/basics/optimization_tutorial.py b/beginner_source/basics/optimization_tutorial.py
index be17289fd19..e10496fabb6 100644
--- a/beginner_source/basics/optimization_tutorial.py
+++ b/beginner_source/basics/optimization_tutorial.py
@@ -160,7 +160,7 @@ def train_loop(dataloader, model, loss_fn, optimizer):
         optimizer.step()
 
         if batch % 100 == 0:
-            loss, current = loss.item(), batch * len(X)
+            loss, current = loss.item(), (batch + 1) * len(X)
             print(f"loss: {loss:>7f}  [{current:>5d}/{size:>5d}]")
 
 
diff --git a/beginner_source/basics/quickstart_tutorial.py b/beginner_source/basics/quickstart_tutorial.py
index 8cba94bcc04..366a4193d0b 100644
--- a/beginner_source/basics/quickstart_tutorial.py
+++ b/beginner_source/basics/quickstart_tutorial.py
@@ -151,7 +151,7 @@ def train(dataloader, model, loss_fn, optimizer):
         optimizer.step()
 
         if batch % 100 == 0:
-            loss, current = loss.item(), batch * len(X)
+            loss, current = loss.item(), (batch + 1) * len(X)
             print(f"loss: {loss:>7f}  [{current:>5d}/{size:>5d}]")
 
 ##############################################################################