diff --git a/test/hotspot/jtreg/gtest/GTestResultParser.java b/test/hotspot/jtreg/gtest/GTestResultParser.java
index c30ea63e654..ffa98bf29f2 100644
--- a/test/hotspot/jtreg/gtest/GTestResultParser.java
+++ b/test/hotspot/jtreg/gtest/GTestResultParser.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2019, 2024, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -57,7 +57,10 @@ public class GTestResultParser {
                             testCase = xmlReader.getAttributeValue("", "name");
                             break;
                         case "failure":
-                            failedTests.add(testSuite + "::" + testCase);
+                            String failedStr = testSuite + "::" + testCase;
+                            if (!failedTests.contains(failedStr)) {
+                                failedTests.add(failedStr);
+                            }
                             break;
                         default:
                             // ignore