diff --git a/platform-tests/src/test/java/org/junit/platform/reporting/open/xml/OpenTestReportGeneratingListenerTests.java b/platform-tests/src/test/java/org/junit/platform/reporting/open/xml/OpenTestReportGeneratingListenerTests.java
index fe6e62e422f..2c48f6feccf 100644
--- a/platform-tests/src/test/java/org/junit/platform/reporting/open/xml/OpenTestReportGeneratingListenerTests.java
+++ b/platform-tests/src/test/java/org/junit/platform/reporting/open/xml/OpenTestReportGeneratingListenerTests.java
@@ -80,7 +80,7 @@ void writesValidXmlReport() throws Exception {
${xmlunit.ignore}
- ${xmlunit.matchesRegex([0-9a-f]{40})}
+ ${xmlunit.matchesRegex([0-9a-f]{40})}
${xmlunit.ignore}
diff --git a/platform-tooling-support-tests/src/test/java/platform/tooling/support/tests/XmlAssertions.java b/platform-tooling-support-tests/src/test/java/platform/tooling/support/tests/XmlAssertions.java
index b233d6c0e9e..7e098786024 100644
--- a/platform-tooling-support-tests/src/test/java/platform/tooling/support/tests/XmlAssertions.java
+++ b/platform-tooling-support-tests/src/test/java/platform/tooling/support/tests/XmlAssertions.java
@@ -34,7 +34,8 @@ static void verifyContainsExpectedStartedOpenTestReport(Path testResultsDir) {
private static void verifyContent(Path xmlFile) {
var expected = """
-
@@ -45,6 +46,10 @@ private static void verifyContent(Path xmlFile) {
${xmlunit.ignore}
${xmlunit.ignore}
+
+ ${xmlunit.ignore}
+ ${xmlunit.matchesRegex([0-9a-f]{40})}
+ ${xmlunit.ignore}