diff --git a/netbox/dcim/api/serializers.py b/netbox/dcim/api/serializers.py
index 3d55a5896..8a2ff2122 100644
--- a/netbox/dcim/api/serializers.py
+++ b/netbox/dcim/api/serializers.py
@@ -546,7 +546,7 @@ class TracedCableSerializer(serializers.ModelSerializer):
         ]
 
 
-class NestedCableSerializer(serializers.Serializer):
+class NestedCableSerializer(serializers.ModelSerializer):
     url = serializers.HyperlinkedIdentityField(view_name='dcim-api:cable-detail')
 
     class Meta: