diff --git a/client/rest-high-level/src/test/java/org/opensearch/client/IndicesClientIT.java b/client/rest-high-level/src/test/java/org/opensearch/client/IndicesClientIT.java
index 44f27391fe83f..5b5b18d298c8e 100644
--- a/client/rest-high-level/src/test/java/org/opensearch/client/IndicesClientIT.java
+++ b/client/rest-high-level/src/test/java/org/opensearch/client/IndicesClientIT.java
@@ -1475,7 +1475,7 @@ public void testIndexPutSettingNonExistent() throws IOException {
         assertThat(
             exception.getMessage(),
             equalTo(
-                "OpenSearch exception [type=illegal_argument_exception, "
+                "OpenSearch exception [type=invalid_argument_exception, "
                     + "reason=unknown setting [index.no_idea_what_you_are_talking_about] please check that any required plugins are installed, "
                     + "or check the breaking changes documentation for removed settings]"
             )