diff --git a/tests/clv/test_plotting.py b/tests/clv/test_plotting.py
index 235f2d5e..a1ce9882 100644
--- a/tests/clv/test_plotting.py
+++ b/tests/clv/test_plotting.py
@@ -162,7 +162,7 @@ def test_plot_expected_purchases(
 ) -> None:
     ax = plot_expected_purchases(
         model=mock_model,
-        transactions=cdnow_trans,
+        purchase_history=cdnow_trans,
         customer_id_col="id",
         datetime_col="date",
         datetime_format="%Y%m%d",