diff --git a/s3tests_boto3/functional/test_s3.py b/s3tests_boto3/functional/test_s3.py
index 85d96d2..848487c 100644
--- a/s3tests_boto3/functional/test_s3.py
+++ b/s3tests_boto3/functional/test_s3.py
@@ -227,6 +227,7 @@ def test_bucket_listv2_delimiter_basic():
     prefixes = _get_prefixes(response)
     eq(len(prefixes), 2)
     eq(prefixes, ['foo/', 'quux/'])
+    eq(response['KeyCount'], len(prefixes) + len(keys))
 
 
 @attr(resource='bucket')