diff --git a/terracotta/i18n.py b/terracotta/i18n.py
index b9b5de9..35cbaa9 100644
--- a/terracotta/i18n.py
+++ b/terracotta/i18n.py
@@ -20,7 +20,7 @@ See http://docs.openstack.org/developer/oslo.i18n/usage.html
 
 import oslo_i18n
 
-DOMAIN = 'aodh'
+DOMAIN = 'terracotta'
 
 _translators = oslo_i18n.TranslatorFactory(domain=DOMAIN)