diff --git a/rally/consts.py b/rally/consts.py
index d5215542..028d5a87 100644
--- a/rally/consts.py
+++ b/rally/consts.py
@@ -216,7 +216,7 @@ class _VerificationStatus(utils.ImmutableMixin, utils.EnumMixin):
 
 class _TimeFormat(utils.ImmutableMixin, utils.EnumMixin):
     """International time formats"""
-    TIME_FORMAT_ISO8601 = "%Y-%m-%dT%H:%M:%S%z"
+    ISO8601 = "%Y-%m-%dT%H:%M:%S%z"
 
 
 TaskStatus = _TaskStatus()