diff --git a/mfa/models.py b/mfa/models.py
index 2faaf0f..eb9c005 100644
--- a/mfa/models.py
+++ b/mfa/models.py
@@ -4,6 +4,7 @@ from jose import jwt
 from django.conf import settings
 from jsonLookup import shasLookup
 JSONField.register_lookup(shasLookup)
+JSONField.register_lookup(hasLookup)
 
 class User_Keys(models.Model):
     username=models.CharField(max_length = 50)
@@ -24,4 +25,4 @@ class User_Keys(models.Model):
     def __str__(self):
         return self.__unicode__()
     class Meta:
-        app_label='mfa'
\ No newline at end of file
+        app_label='mfa'