diff --git a/plugin/src/test/resources/rest-api-spec/test/ml/start_stop_datafeed.yaml b/plugin/src/test/resources/rest-api-spec/test/ml/start_stop_datafeed.yaml
index fc20a86d9e8..c29231f4b4b 100644
--- a/plugin/src/test/resources/rest-api-spec/test/ml/start_stop_datafeed.yaml
+++ b/plugin/src/test/resources/rest-api-spec/test/ml/start_stop_datafeed.yaml
@@ -122,7 +122,7 @@ setup:
           datafeed_id: "datafeed-1"
           start: 0
     - do:
-        catch: /cannot start datafeed \[datafeed-1\] because job \[datafeed-job\] hasn't been opened/
+        catch: /cannot start datafeed \[datafeed-1\] because job \[datafeed-job\] is not open/
         xpack.ml.start_datafeed:
           datafeed_id: "datafeed-1"
           start: 0