diff --git a/stripe_checkout/stripe_checkout/models.py b/stripe_checkout/stripe_checkout/models.py
index d95caabbb4ac1cabe9fa3d78648060a49547d917..9fdaf242c8a175f82b63a5ee5cfe76a751e5afe6 100644
--- a/stripe_checkout/stripe_checkout/models.py
+++ b/stripe_checkout/stripe_checkout/models.py
@@ -23,7 +23,14 @@ class PricedItem(models.Model):
 
     name = models.CharField(max_length=255, blank=False, unique=True)
     display_name = models.CharField(max_length=255, blank=False)
-    kind = models.CharField(max_length=40, choices=ItemKind, blank=False)
+    kind = models.CharField(
+        max_length=40,
+        choices=[
+            ("REGISTRATION_TYPE", "Registration Type"),
+            ("EXTRA", "Extra"),
+        ],
+        blank=False,
+    )
     stripe_product_id = models.CharField(max_length=40, blank=False, unique=True)
 
     # The following items is required for ItemKind.REGISTRATION_TYPE