diff --git a/netbox/ipam/models/ip.py b/netbox/ipam/models/ip.py
index 0f470281e..25517f1f6 100644
--- a/netbox/ipam/models/ip.py
+++ b/netbox/ipam/models/ip.py
@@ -20,6 +20,7 @@ from netbox.models import OrganizationalModel, PrimaryModel, NetBoxModel
 __all__ = (
     'Aggregate',
     'IPAddress',
+    'IPAddressFunction'
     'IPRange',
     'Prefix',
     'RIR',