diff --git a/services/webapp/code/rosetta/base_app/models.py b/services/webapp/code/rosetta/base_app/models.py
index eee41c7b0452e2c5256a1a891a0394304c019ae0..1933a34f4e6b7254336c5217e0b0045b94611b89 100644
--- a/services/webapp/code/rosetta/base_app/models.py
+++ b/services/webapp/code/rosetta/base_app/models.py
@@ -105,7 +105,7 @@ class Container(models.Model):
 class Computing(models.Model):
 
     uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
-    user = models.ForeignKey(User, related_name='+', on_delete=models.CASCADE, null=True)
+    user = models.ForeignKey(User, related_name='+', on_delete=models.CASCADE, blank=True, null=True)
     # If a compute resource has no user, it will be available to anyone. Can be created, edited and deleted only by admins.
     
     name = models.CharField('Computing Name', max_length=255, blank=False, null=False)