diff --git a/x-pack/plugin/src/yamlRestTest/resources/rest-api-spec/test/esql/140_metadata.yml b/x-pack/plugin/src/yamlRestTest/resources/rest-api-spec/test/esql/140_metadata.yml
index 3e4196c2c0461..83234901ae8f2 100644
--- a/x-pack/plugin/src/yamlRestTest/resources/rest-api-spec/test/esql/140_metadata.yml
+++ b/x-pack/plugin/src/yamlRestTest/resources/rest-api-spec/test/esql/140_metadata.yml
@@ -165,6 +165,7 @@ setup:
           path: /_query
           parameters: []
           capabilities: [sorting_on_source_and_counters_forbidden]
+      reason: "Sorting on _source shouldn't have been possible"
   - do:
       catch: /cannot sort on _source/
       esql.query: