diff --git a/tkupek_elearning/elearning/models.py b/tkupek_elearning/elearning/models.py
index fe455a2..e3978c7 100644
--- a/tkupek_elearning/elearning/models.py
+++ b/tkupek_elearning/elearning/models.py
@@ -1,3 +1,4 @@
+# coding=utf-8
 from __future__ import unicode_literals
 
 import hashlib
@@ -78,7 +79,7 @@ class UserAnswer(models.Model):
     correct = models.NullBooleanField(null=True)
 
     def __unicode__(self):
-        return str(self.user) + " - " + str(self.question.id)
+        return ""
 
     class Meta:
         unique_together = (('user', 'question'),)
@@ -92,4 +93,4 @@ class UserAnswerOptions(models.Model):
         unique_together = (('user_answer', 'option'),)
 
     def __unicode__(self):
-        return str(self.user_answer) + " - " + str(self.option)
+        return unicode(str(self.user_answer) + " - " + str(self.option), "utf-8")