diff --git a/docker/client.py b/docker/client.py
index f2bdc37e08..a1c8ed2672 100644
--- a/docker/client.py
+++ b/docker/client.py
@@ -419,10 +419,11 @@ def commit(self, container, repository=None, tag=None, message=None,
                             json=True)
 
     def containers(self, quiet=False, all=False, trunc=True, latest=False,
-                   since=None, before=None, limit=-1):
+                   since=None, before=None, limit=-1, size=False):
         params = {
             'limit': 1 if latest else limit,
             'all': 1 if all else 0,
+            'size': 1 if size else 0,
             'trunc_cmd': 1 if trunc else 0,
             'since': since,
             'before': before
diff --git a/tests/test.py b/tests/test.py
index 4d52df7f3e..7c3fdee36d 100644
--- a/tests/test.py
+++ b/tests/test.py
@@ -159,6 +159,7 @@ def test_list_containers(self):
             params={
                 'all': 1,
                 'since': None,
+                'size': 0,
                 'limit': -1,
                 'trunc_cmd': 1,
                 'before': None