diff --git a/django_lostplaces/lostplaces/models/models.py b/django_lostplaces/lostplaces/models/models.py
index 49c1000..8c87ae1 100644
--- a/django_lostplaces/lostplaces/models/models.py
+++ b/django_lostplaces/lostplaces/models/models.py
@@ -31,7 +31,8 @@ class Explorer(models.Model):
     favorite_places = models.ManyToManyField(
         Place,
         related_name='favorite_places',
-        verbose_name='Explorers favorite places'
+        verbose_name='Explorers favorite places',
+        blank=True
     )
 
     def __str__(self):