diff --git a/pts/dataset/artificial.py b/pts/dataset/artificial.py
index 0bcaac9..b490872 100644
--- a/pts/dataset/artificial.py
+++ b/pts/dataset/artificial.py
@@ -62,7 +62,7 @@ def constant_dataset() -> Tuple[DatasetInfo, Dataset, Dataset]:
     info = DatasetInfo(
         name="constant_dataset",
         metadata=metadata,
-        prediction_length=2,
+        prediction_length=6,
         train_statistics=calculate_dataset_statistics(train_ds),
         test_statistics=calculate_dataset_statistics(test_ds),
     )