diff --git a/src/main/java/com/plugin/HttpOutput.java b/src/main/java/com/plugin/HttpOutput.java
index 2dfc6e9..8b8149d 100644
--- a/src/main/java/com/plugin/HttpOutput.java
+++ b/src/main/java/com/plugin/HttpOutput.java
@@ -168,7 +168,7 @@ private void executeRequest(RequestBody requestBody) throws HttpOutputException,
 
         // ensure the response (and underlying response body) is closed
         try (Response response = this.httpClient.newCall(request).execute()) {
-            if (response.code() != 200) {
+            if (response.code() > 399) {
                 LOG.info("Unexpected HTTP response status " + response.code());
                 if (this.raise_exception_on_http_error) {
                     throw new HttpOutputException("Unexpected HTTP response status " + response.code());