diff --git a/packages/openneuro-search/src/mappings/datasets-mapping.json b/packages/openneuro-search/src/mappings/datasets-mapping.json
index 980466a98..817e83104 100644
--- a/packages/openneuro-search/src/mappings/datasets-mapping.json
+++ b/packages/openneuro-search/src/mappings/datasets-mapping.json
@@ -3,6 +3,7 @@
     "id": { "type": "keyword" },
     "created": { "type": "date" },
     "public": { "type": "boolean" },
+    "brainInitiative": { "type": "boolean" },
     "metadata": {
       "properties": {
         "datasetName": { "type": "keyword" },
diff --git a/packages/openneuro-search/src/query.ts b/packages/openneuro-search/src/query.ts
index e7dad45be..0106de1e7 100644
--- a/packages/openneuro-search/src/query.ts
+++ b/packages/openneuro-search/src/query.ts
@@ -9,6 +9,7 @@ export const INDEX_DATASET_FRAGMENT = gql`
     id
     created
     public
+    brainInitiative
     metadata {
       datasetName
       datasetUrl