diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7a937ad9329ac..9baa321cd96b6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -91,7 +91,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Fix weighted routing metadata deserialization error on process restart ([#4691](https://github.com/opensearch-project/OpenSearch/pull/4691))
 - Refactor Base Action class javadocs to OpenSearch.API ([#4732](https://github.com/opensearch-project/OpenSearch/pull/4732))
 - Migrate client transports to Apache HttpClient / Core 5.x ([#4459](https://github.com/opensearch-project/OpenSearch/pull/4459))
-- Changed http code on create index API with bad input raising NotXContentException to 400([#4773](https://github.com/opensearch-project/OpenSearch/pull/4773))
+- Changed http code on create index API with bad input raising NotXContentException to 400 ([#4773](https://github.com/opensearch-project/OpenSearch/pull/4773))
 - Refactored BalancedAllocator.Balancer to LocalShardsBalancer ([#4761](https://github.com/opensearch-project/OpenSearch/pull/4761))
 - Fail weight update when decommission ongoing and fail decommission when attribute not weighed away ([#4839](https://github.com/opensearch-project/OpenSearch/pull/4839))
 ### Deprecated
diff --git a/server/src/test/java/org/opensearch/rest/RestControllerTests.java b/server/src/test/java/org/opensearch/rest/RestControllerTests.java
index bd4c7c9a4f824..83906a3891700 100644
--- a/server/src/test/java/org/opensearch/rest/RestControllerTests.java
+++ b/server/src/test/java/org/opensearch/rest/RestControllerTests.java
@@ -53,6 +53,7 @@
 import org.opensearch.http.HttpServerTransport;
 import org.opensearch.http.HttpStats;
 import org.opensearch.indices.breaker.HierarchyCircuitBreakerService;
+import org.opensearch.rest.action.admin.indices.RestCreateIndexAction;
 import org.opensearch.test.OpenSearchTestCase;
 import org.opensearch.test.client.NoOpNodeClient;
 import org.opensearch.test.rest.FakeRestRequest;
@@ -562,6 +563,18 @@ public void testHandleBadRequestWithHtmlSpecialCharsInUri() {
         assertThat(channel.getRestResponse().content().utf8ToString(), containsString("invalid uri has been requested"));
     }
 
+    public void testHandleBadInputWithCreateIndex() {
+        final FakeRestRequest fakeRestRequest = new FakeRestRequest.Builder(NamedXContentRegistry.EMPTY)
+            .withPath("/foo")
+            .withMethod(RestRequest.Method.PUT)
+            .withContent(new BytesArray("ddd"), XContentType.JSON)
+            .build();
+        final AssertingChannel channel = new AssertingChannel(fakeRestRequest, true, RestStatus.BAD_REQUEST);
+        restController.registerHandler(RestRequest.Method.PUT, "/foo", new RestCreateIndexAction());
+        restController.dispatchRequest(fakeRestRequest, channel, client.threadPool().getThreadContext());
+        assertEquals(channel.getRestResponse().content().utf8ToString(), "{\"error\":{\"root_cause\":[{\"type\":\"not_x_content_exception\",\"reason\":\"Compressor detection can only be called on some xcontent bytes or compressed xcontent bytes\"}],\"type\":\"not_x_content_exception\",\"reason\":\"Compressor detection can only be called on some xcontent bytes or compressed xcontent bytes\"},\"status\":400}");
+    }
+
     public void testDispatchUnsupportedHttpMethod() {
         final boolean hasContent = randomBoolean();
         final RestRequest request = RestRequest.request(xContentRegistry(), new HttpRequest() {