diff --git a/x-pack/plugins/index_management/server/lib/fetch_indices.ts b/x-pack/plugins/index_management/server/lib/fetch_indices.ts
index 793da238dc55b..1304afc8f981f 100644
--- a/x-pack/plugins/index_management/server/lib/fetch_indices.ts
+++ b/x-pack/plugins/index_management/server/lib/fetch_indices.ts
@@ -23,6 +23,7 @@ interface Hit {
 interface IndexInfo {
   aliases: { [aliasName: string]: unknown };
   mappings: unknown;
+  data_stream?: string;
   settings: {
     index: {
       hidden: 'true' | 'false';