diff --git a/plstackapi/core/models/site.py b/plstackapi/core/models/site.py
index 2148e48..67257af 100644
--- a/plstackapi/core/models/site.py
+++ b/plstackapi/core/models/site.py
@@ -9,7 +9,7 @@
 
 class Site(PlCoreBase):
 
-    tenant_id = models.CharField(max_length=200, help_text="Keystone tenant id", blank=True)
+    tenant_id = models.CharField(max_length=200, help_text="Keystone tenant id")
     name = models.CharField(max_length=200, help_text="Name for this Site")
     site_url = models.URLField(null=True, blank=True, max_length=512, help_text="Site's Home URL Page")
     enabled = models.BooleanField(default=True, help_text="Status for this Site")