diff --git a/awx/api/serializers.py b/awx/api/serializers.py
index ff17384875..439682d474 100644
--- a/awx/api/serializers.py
+++ b/awx/api/serializers.py
@@ -442,6 +442,10 @@ class InventorySerializer(BaseSerializerWithVariables):
 
 class HostSerializer(BaseSerializerWithVariables):
 
+    # Allow the serializer to treat these fields as read-only
+    last_job = serializers.Field()
+    last_job_host_summary = serializers.Field()
+
     class Meta:
         model = Host
         fields = BASE_FIELDS + ('inventory', 'enabled', 'instance_id', 'variables',