diff --git a/lists/microsoft/list.json b/lists/microsoft/list.json
index 1b9bcf7..f2e88af 100644
--- a/lists/microsoft/list.json
+++ b/lists/microsoft/list.json
@@ -199,6 +199,6 @@
     "domain|ip"
   ],
   "name": "List of known microsoft domains",
-  "type": "hostname",
+  "type": "string",
   "version": 3
 }