diff --git a/lib/dl_api_lib/dl_api_lib_tests/db/data_api/result/complex_queries/test_ext_agg_basic.py b/lib/dl_api_lib/dl_api_lib_tests/db/data_api/result/complex_queries/test_ext_agg_basic.py
index 46b59a7a2..5769c7e8c 100644
--- a/lib/dl_api_lib/dl_api_lib_tests/db/data_api/result/complex_queries/test_ext_agg_basic.py
+++ b/lib/dl_api_lib/dl_api_lib_tests/db/data_api/result/complex_queries/test_ext_agg_basic.py
@@ -996,7 +996,7 @@ def test_bi_4652_measure_filter_with_total_in_select(self, control_api, data_api
         dim_values = [row[0] for row in data_rows]
         assert len(dim_values) == len(set(dim_values)), "Dimension values are not unique"
 
-    @pytest.xfail("FIXME: https://github.com/datalens-tech/datalens-backend/issues/98")  # FIXME
+    @pytest.mark.xfail(reason="https://github.com/datalens-tech/datalens-backend/issues/98")  # FIXME
     def test_fixed_with_unknown_field(self, control_api, data_api, saved_dataset):
         ds = add_formulas_to_dataset(
             api_v1=control_api,