diff --git a/sknn/backend/lasagne/mlp.py b/sknn/backend/lasagne/mlp.py
index 6cbabf4..08a02fb 100644
--- a/sknn/backend/lasagne/mlp.py
+++ b/sknn/backend/lasagne/mlp.py
@@ -252,7 +252,7 @@ def cast(array):
         if shuffle:
             numpy.random.shuffle(indices)
 
-        for start_idx in range(0, total_size - batch_size + 1, batch_size):
+        for start_idx in range(0, total_size, batch_size):
             excerpt = indices[start_idx:start_idx + batch_size]
             Xb, yb, wb = cast(X[excerpt]), cast(y[excerpt]), None
             if w is not None: