diff --git a/pytest_fixtures/core/xdist.py b/pytest_fixtures/core/xdist.py
index 855cd2b1cfd..be497dd988d 100644
--- a/pytest_fixtures/core/xdist.py
+++ b/pytest_fixtures/core/xdist.py
@@ -14,6 +14,7 @@
 def align_to_satellite(request, worker_id, satellite_factory):
     """Attempt to align a Satellite to the current xdist worker"""
     if 'build_sanity' in request.config.option.markexpr:
+        settings.set("server.hostname", None)
         yield
         if settings.server.hostname:
             sanity_sat = Satellite(settings.server.hostname)