diff --git a/synapse/api/errors.py b/synapse/api/errors.py
index eddd88977..72d2bd5b4 100644
--- a/synapse/api/errors.py
+++ b/synapse/api/errors.py
@@ -35,8 +35,8 @@ class Codes(object):
     LIMIT_EXCEEDED = "M_LIMIT_EXCEEDED"
     CAPTCHA_NEEDED = "M_CAPTCHA_NEEDED"
     CAPTCHA_INVALID = "M_CAPTCHA_INVALID"
-    MISSING_PARAM = "M_MISSING_PARAM",
-    TOO_LARGE = "M_TOO_LARGE",
+    MISSING_PARAM = "M_MISSING_PARAM"
+    TOO_LARGE = "M_TOO_LARGE"
     EXCLUSIVE = "M_EXCLUSIVE"