diff -r 92d0f441ca7f -r 1357a0cfdbf7 src/hdalab/models/renkan.py
--- a/src/hdalab/models/renkan.py	Thu Mar 19 22:52:51 2015 +0100
+++ b/src/hdalab/models/renkan.py	Thu Mar 19 23:39:54 2015 +0100
@@ -9,7 +9,7 @@
 
 from django.conf import settings
 from django.db import models
-from django.utils.translation import ugettext as _
+from django.utils.translation import ugettext_lazy as _
 
 
 logger = logging.getLogger(__name__)