diff --git a/src/plugins/vis_type_vega/public/data_model/search_api.ts b/src/plugins/vis_type_vega/public/data_model/search_api.ts
index 4cb2a6119a2be..2d47102705139 100644
--- a/src/plugins/vis_type_vega/public/data_model/search_api.ts
+++ b/src/plugins/vis_type_vega/public/data_model/search_api.ts
@@ -45,7 +45,10 @@ export class SearchAPI {
         });
 
         if (this.inspectorAdapters) {
-          requestResponders[requestId] = this.inspectorAdapters.requests.start(requestId, request);
+          requestResponders[requestId] = this.inspectorAdapters.requests.start(requestId, {
+            ...request,
+            searchSessionId: this.searchSessionId,
+          });
           requestResponders[requestId].json(params.body);
         }