diff --git a/elasticsearch-api/spec/rest_api/skipped_tests_free.yml b/elasticsearch-api/spec/rest_api/skipped_tests_free.yml
index 90755f7e6..c9f44291c 100644
--- a/elasticsearch-api/spec/rest_api/skipped_tests_free.yml
+++ b/elasticsearch-api/spec/rest_api/skipped_tests_free.yml
@@ -225,3 +225,6 @@
 -
   :file: 'tsdb/20_mapping.yml'
   :description: 'source include/exclude'
+-
+  :file: 'cluster.stats/40_source_modes.yml'
+  :description: 'test source modes'