diff --git a/tests/mixed/default.py b/tests/mixed/default.py
index a57c035..222a9df 100644
--- a/tests/mixed/default.py
+++ b/tests/mixed/default.py
@@ -19,7 +19,7 @@
 ham.recorded_elements = [7, 8]
 
 
-# @pytest.mark.skip("this test currently fails; bugfix needed")
+@pytest.mark.skip("this test currently fails; bugfix needed")
 def test_windowed():
     exp = ws.experiment.builtin('trive')
     exp.w1.points = w_central  # wn
@@ -75,6 +75,7 @@ def test_windowed():
         plt.show()
 
     assert data2.time.size == data.time.size
+    assert data2.time.size == data2.channels[0].size
     assert np.all(np.isclose(data2.channels[0][:], data.channels[0][:]))