diff --git a/muted-tests.yml b/muted-tests.yml
index d6d5d47af3a76..2687f7c2a1f50 100644
--- a/muted-tests.yml
+++ b/muted-tests.yml
@@ -376,6 +376,9 @@ tests:
 - class: org.elasticsearch.index.SearchSlowLogTests
   method: testTwoLoggersDifferentLevel
   issue: https://github.com/elastic/elasticsearch/issues/114301
+- class: org.elasticsearch.backwards.MixedClusterClientYamlTestSuiteIT
+  method: test {p0=aggregations/stats_metric_fail_formatting/fail formatting}
+  issue: https://github.com/elastic/elasticsearch/issues/114320
 
 # Examples:
 #