diff --git a/toolz/tests/test_itertoolz.py b/toolz/tests/test_itertoolz.py
index c9119eea..3444e4b1 100644
--- a/toolz/tests/test_itertoolz.py
+++ b/toolz/tests/test_itertoolz.py
@@ -304,6 +304,7 @@ def test_sliding_window():
 
 def test_sliding_window_of_short_iterator():
     assert list(sliding_window(3, [1, 2])) == []
+    assert list(sliding_window(7, [1, 2])) == []
 
 
 def test_partition():