diff --git a/specification/_global/termvectors/TermVectorsRequest.ts b/specification/_global/termvectors/TermVectorsRequest.ts
index 10864a2d3c..d4332ed741 100644
--- a/specification/_global/termvectors/TermVectorsRequest.ts
+++ b/specification/_global/termvectors/TermVectorsRequest.ts
@@ -187,7 +187,7 @@ export interface Request<TDocument> extends RequestBase {
      * A list of fields to include in the statistics.
      * It is used as the default list unless a specific field list is provided in the `completion_fields` or `fielddata_fields` parameters.
      */
-    fields?: Fields
+    fields?: Field[]
     /**
      * If `true`, the response includes:
      *