diff --git a/ibis/backends/tests/tpc/ds/test_queries.py b/ibis/backends/tests/tpc/ds/test_queries.py
index 8c2fa475a0042..5fc15bcfc87bd 100644
--- a/ibis/backends/tests/tpc/ds/test_queries.py
+++ b/ibis/backends/tests/tpc/ds/test_queries.py
@@ -1994,6 +1994,7 @@ def test_38(store_sales, catalog_sales, web_sales, date_dim, customer):
 
 
 @tpc_test("ds")
+@pytest.mark.notyet(["datafusion"], reason="incorrect results", raises=AssertionError)
 def test_39(inventory, item, warehouse, date_dim):
     inv = (
         inventory.join(item, [("inv_item_sk", "i_item_sk")])