diff --git a/rebound/tests/test_server.py b/rebound/tests/test_server.py
index 798a9f774..20355fbbe 100644
--- a/rebound/tests/test_server.py
+++ b/rebound/tests/test_server.py
@@ -22,7 +22,7 @@ def test_start_with_download(self):
         with warnings.catch_warnings(record=True) as w: 
             warnings.simplefilter("always")
             sim.start_server(port=1234)
-            self.assertEqual(len(w),1)
+            self.assertGreater(len(w),0)
         self.assertNotEqual(sim._server_data,None)
         self.assertEqual(sim._server_data.contents.ready,1)
         self.assertEqual(sim._server_data.contents.port,1234)