diff --git a/specification/datalake-store/data-plane/Microsoft.DataLakeStore/stable/2016-11-01/examples/Adls_FileSystem_GetAclStatus.json b/specification/datalake-store/data-plane/Microsoft.DataLakeStore/stable/2016-11-01/examples/Adls_FileSystem_GetAclStatus.json
index b3a37e905080..bf96ff3797a2 100644
--- a/specification/datalake-store/data-plane/Microsoft.DataLakeStore/stable/2016-11-01/examples/Adls_FileSystem_GetAclStatus.json
+++ b/specification/datalake-store/data-plane/Microsoft.DataLakeStore/stable/2016-11-01/examples/Adls_FileSystem_GetAclStatus.json
@@ -14,7 +14,7 @@
                 ],
                 "group": "test_group",
                 "owner": "test_owner",
-                "permission": 1,
+                "permission": "1",
                 "stickyBit": false
             }
         }
diff --git a/specification/datalake-store/data-plane/Microsoft.DataLakeStore/stable/2016-11-01/filesystem.json b/specification/datalake-store/data-plane/Microsoft.DataLakeStore/stable/2016-11-01/filesystem.json
index 52193b09cdc3..1337551e5858 100644
--- a/specification/datalake-store/data-plane/Microsoft.DataLakeStore/stable/2016-11-01/filesystem.json
+++ b/specification/datalake-store/data-plane/Microsoft.DataLakeStore/stable/2016-11-01/filesystem.json
@@ -1488,8 +1488,7 @@
           "description": "the user owner, an AAD Object ID."
         },
         "permission": {
-          "type": "integer",
-          "format": "int32",
+          "type": "string",
           "description": "The octal representation of the unnamed user, mask and other permissions."
         },
         "stickyBit": {