diff --git a/plugin/src/test/resources/rest-api-spec/test/watcher/ack_watch/10_basic.yaml b/plugin/src/test/resources/rest-api-spec/test/watcher/ack_watch/10_basic.yaml
index 4df12f5e09c..aa1ac99a3dd 100644
--- a/plugin/src/test/resources/rest-api-spec/test/watcher/ack_watch/10_basic.yaml
+++ b/plugin/src/test/resources/rest-api-spec/test/watcher/ack_watch/10_basic.yaml
@@ -48,6 +48,7 @@
   - do:
       search:
         index: .watches
+        body: { "query": { "term": { "_id": "my_watch" } } }
   - match: { hits.total: 1 }
   - match: { hits.hits.0._source._status.actions.test_index.ack.state: "awaits_successful_execution" }