diff --git a/_modules/maas.py b/_modules/maas.py
index 720e422..446489e 100644
--- a/_modules/maas.py
+++ b/_modules/maas.py
@@ -664,11 +664,9 @@
                 continue
             status = status_name_dict[machine['status']]
             summary[status] += 1
-            res.append({
-                'hostname': machine['hostname'],
-                'system_id': machine['system_id'],
-                'status': status,
-                })
+            res.append('{}:{}:{}'.format(machine['hostname'],
+                                         machine['system_id'],
+                                         status))
         return {'machines': res, 'summary': summary}