diff --git a/pymisp/api.py b/pymisp/api.py
index 3011ec0..d240ef3 100644
--- a/pymisp/api.py
+++ b/pymisp/api.py
@@ -1054,8 +1054,8 @@ class PyMISP(object):
         :param normalize: Normalize output | True or False
         :param timestamp: Interval since last update (in second, or 1d, 1h, ...)
         """
-        allowed = {'published': published, 'eventid': eventid, 'tag': tag, 'Dateuntil': dateuntil,
-                   'Datefrom': datefrom, 'eventinfo': eventinfo, 'threatlevel': threatlevel,
+        allowed = {'published': published, 'eventid': eventid, 'tag': tag, 'dateuntil': dateuntil,
+                   'datefrom': datefrom, 'eventinfo': eventinfo, 'threatlevel': threatlevel,
                    'distribution': distribution, 'analysis': analysis, 'attribute': attribute,
                    'org': org, 'timestamp': timestamp}
         rule_levels = {'distribution': ["0", "1", "2", "3", "!0", "!1", "!2", "!3"],