diff --git a/config/settings/base.py b/config/settings/base.py
index 85302327ed42ad5d3214c4e72530c843b5091410..1fea39f8e2066e55f2147a3a420ab973c8d728ce 100644
--- a/config/settings/base.py
+++ b/config/settings/base.py
@@ -360,6 +360,7 @@ SOUTH_TESTS_MIGRATE = False
 # system time zone.
 TIME_ZONE = 'UTC'
 GRACE_DATETIME_FORMAT = 'Y-m-d H:i:s T'
+GRACE_STRFTIME_FORMAT = '%Y-%m-%d %H:%M:%S %Z'
 
 # Language code for this installation. All choices can be found here:
 # http://www.i18nguy.com/unicode/language-identifiers.html