X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/db6ce7eb0542012566e8632cd8db45d647b1d652..f1143b5bcf508dcfe7f72e90faee72cf72a2392a:/src/messaging/models.py

diff --git a/src/messaging/models.py b/src/messaging/models.py
index 4705b97bd..4f394c397 100644
--- a/src/messaging/models.py
+++ b/src/messaging/models.py
@@ -31,7 +31,7 @@ class EmailTemplate(models.Model):
         verbose_name_plural = _('email templates')
 
     def __str__(self):
-        return '%s (%+d)' % (self.get_state_display(), self.min_days_since)
+        return '%s (%+d)' % (self.get_state_display(), self.min_days_since or 0)
 
     def run(self, time=None, verbose=False, dry_run=False):
         state = self.get_state()