diff --git a/tests/test.py b/tests/test.py
index 4d52df7f..7c3fdee3 100644
--- a/tests/test.py
+++ b/tests/test.py
@@ -159,6 +159,7 @@ class DockerClientTest(unittest.TestCase):
             params={
                 'all': 1,
                 'since': None,
+                'size': 0,
                 'limit': -1,
                 'trunc_cmd': 1,
                 'before': None