diff --git a/1.1/MetadataGranularities/tileset.json b/1.1/MetadataGranularities/tileset.json
index f513a3d..4050e10 100644
--- a/1.1/MetadataGranularities/tileset.json
+++ b/1.1/MetadataGranularities/tileset.json
@@ -3,6 +3,7 @@
     "version" : "1.1"
   },
   "schema" : {
+    "id": "MetadataGranularitiesSchema",
     "classes" : {
       "exampleTilesetMetadataClass" : {
         "name" : "Example tileset metadata class",
diff --git a/1.1/TilesetWithFullMetadata/tileset.json b/1.1/TilesetWithFullMetadata/tileset.json
index a66de07..45e1dcd 100644
--- a/1.1/TilesetWithFullMetadata/tileset.json
+++ b/1.1/TilesetWithFullMetadata/tileset.json
@@ -3,6 +3,7 @@
     "version" : "1.1"
   },
   "schema" : {
+    "id": "TilesetWithFullMetadataSchema",
     "classes" : {
       "exampleClass" : {
         "name" : "Full example metadata class",