diff --git a/netbox/ipam/graphql/gfk_mixins.py b/netbox/ipam/graphql/gfk_mixins.py
new file mode 100644
index 000000000..055be911e
--- /dev/null
+++ b/netbox/ipam/graphql/gfk_mixins.py
@@ -0,0 +1,25 @@
+import graphene
+from dcim.graphql.types import InterfaceType
+from dcim.models import Interface
+from ipam.graphql.types import VLANType
+from ipam.models import VLAN
+from virtualization.graphql.types import VMInterfaceType
+from virtualization.models import VMInterface
+
+
+class L2VPNAssignmentType(graphene.Union):
+    class Meta:
+        types = (
+            InterfaceType,
+            VLANType,
+            VMInterfaceType,
+        )
+
+    @classmethod
+    def resolve_type(cls, instance, info):
+        if type(instance) == Interface:
+            return InterfaceType
+        if type(instance) == VLAN:
+            return VLANType
+        if type(instance) == VMInterface:
+            return VMInterfaceType
diff --git a/netbox/ipam/graphql/types.py b/netbox/ipam/graphql/types.py
index 5af2ca72a..649e80c03 100644
--- a/netbox/ipam/graphql/types.py
+++ b/netbox/ipam/graphql/types.py
@@ -1,5 +1,6 @@
 import graphene
 
+from graphene_django import DjangoObjectType
 from ipam import filtersets, models
 from netbox.graphql.scalars import BigInt
 from netbox.graphql.types import BaseObjectType, OrganizationalObjectType, NetBoxObjectType
@@ -163,7 +164,9 @@ class L2VPNType(NetBoxObjectType):
 
 
 class L2VPNTerminationType(NetBoxObjectType):
+    assigned_object = graphene.Field('ipam.graphql.gfk_mixins.L2VPNAssignmentType')
+
     class Meta:
         model = models.L2VPNTermination
-        fields = '__all__'
+        exclude = ('assigned_object_type', 'assigned_object_id')
         filtersets_class = filtersets.L2VPNTerminationFilterSet