change field name
diff --git a/plstackapi/planetstack/models.py b/plstackapi/planetstack/models.py
index 8ecc144..e796614 100644
--- a/plstackapi/planetstack/models.py
+++ b/plstackapi/planetstack/models.py
@@ -34,7 +34,7 @@
         super(Role, self).save()
 
 class Site(PlCoreBase):
-    site_id = models.CharField(max_length=200, help_text="Keystone tenant id")
+    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")