diff --git a/spacy/tests/regression/test_issue704.py b/spacy/tests/regression/test_issue704.py
index 6ca3293ae..51f481a3f 100644
--- a/spacy/tests/regression/test_issue704.py
+++ b/spacy/tests/regression/test_issue704.py
@@ -11,5 +11,5 @@ def test_issue704(EN):
 
     text = '“Atticus said to Jem one day, “I’d rather you shot at tin cans in the backyard, but I know you’ll go after birds. Shoot all the blue jays you want, if you can hit ‘em, but remember it’s a sin to kill a mockingbird.”'
     doc = EN(text)
-    sents = [sent for sent in doc.sents]
+    sents = list([sent for sent in doc.sents])
     assert len(sents) == 3