diff --git a/seminar/models.py b/seminar/models.py
index 6c2c99cb..04890ef9 100644
--- a/seminar/models.py
+++ b/seminar/models.py
@@ -631,7 +631,7 @@ class Novinky(models.Model):
     zverejneno = models.BooleanField('Zveřejněno', default="False")
 
     def __str__(self):
-        return '[' + self.datum + '] ' + self.text[0:20]
+        return '[' + str(self.datum) + '] ' + self.text[0:50]
 
     class Meta:
         verbose_name = 'Novinka'