diff --git a/tests/test_repoquery.py b/tests/test_repoquery.py
index daa32470..d124de00 100644
--- a/tests/test_repoquery.py
+++ b/tests/test_repoquery.py
@@ -3,6 +3,8 @@
 # SPDX-License-Identifier: BSD-3-Clause
 import json
 
+import pytest
+from conda.common.compat import on_win
 from conda.models.channel import Channel
 
 from conda_libmamba_solver.index import LibMambaIndexHelper
@@ -50,6 +52,7 @@ def test_query_search():
     )
 
 
+@pytest.mark.xfail(on_win, reason="libmambapy bug https://github.com/mamba-org/mamba/issues/4286")
 def test_query_search_includes_python_site_packages_path():
     index = LibMambaIndexHelper(channels=[Channel("conda-forge")], subdirs=("linux-64", "noarch"))
     results = index.search("python=3.13.2=h4724d56_1_cp313t")