diff --git a/integration-tests/jpa-postgresql-withxml/src/test/java/io/quarkus/it/jpa/postgresql/JPAFunctionalityInGraalITCase.java b/integration-tests/jpa-postgresql-withxml/src/test/java/io/quarkus/it/jpa/postgresql/JPAFunctionalityInGraalITCase.java
index 233fdc491238e..10ee1ff29049c 100644
--- a/integration-tests/jpa-postgresql-withxml/src/test/java/io/quarkus/it/jpa/postgresql/JPAFunctionalityInGraalITCase.java
+++ b/integration-tests/jpa-postgresql-withxml/src/test/java/io/quarkus/it/jpa/postgresql/JPAFunctionalityInGraalITCase.java
@@ -21,9 +21,13 @@ public void verifyJDKXMLParsersAreIncluded() {
         report.assertContains(org.postgresql.jdbc.PgSQLXML.class);
         report.assertContains(UUIDJdbcType.class);
 
-        //And finally verify we included the JDK XML by triggering
-        //io.quarkus.jdbc.postgresql.runtime.graal.SQLXLMFeature
-        report.assertContains(javax.xml.transform.TransformerFactory.class);
+        // And finally verify we included "com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl" which is
+        // the fallback implementation class name used in javax.xml.transform.TransformerFactory.newInstance()
+        // whose invocation gets triggered when io.quarkus.jdbc.postgresql.runtime.graal.SQLXLMFeature is enabled
+        // We cannot use class javax.xml.transform.TransformerFactory directly since delegation to
+        // the implementation might get inlined, thus resulting in 'javax.xml.transform.TransformerFactory'
+        // not showing up as a used class in the reports (due to '-H:+InlineBeforeAnalysis').
+        report.assertContains("com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl");
     }
 
 }
diff --git a/integration-tests/jpa-postgresql/src/test/java/io/quarkus/it/jpa/postgresql/JPAFunctionalityInGraalITCase.java b/integration-tests/jpa-postgresql/src/test/java/io/quarkus/it/jpa/postgresql/JPAFunctionalityInGraalITCase.java
index e6c12a6fc9127..e96594ab5ad19 100644
--- a/integration-tests/jpa-postgresql/src/test/java/io/quarkus/it/jpa/postgresql/JPAFunctionalityInGraalITCase.java
+++ b/integration-tests/jpa-postgresql/src/test/java/io/quarkus/it/jpa/postgresql/JPAFunctionalityInGraalITCase.java
@@ -21,9 +21,14 @@ public void verifyJdkXmlParsersHavebeenEcludedFromNative() {
         report.assertContains(org.postgresql.jdbc.PgSQLXML.class);
         report.assertContains(UUIDJdbcType.class);
 
-        //And finally verify we managed to exclude the JDK XML because of having hinted the analysis
-        //(See io.quarkus.jdbc.postgresql.runtime.graal.SQLXLMFeature )
+        // And finally verify we exclude "com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl" which is
+        // the fallback implementation class name used in javax.xml.transform.TransformerFactory.newInstance()
+        // whose invocation gets triggered when io.quarkus.jdbc.postgresql.runtime.graal.SQLXLMFeature is enabled
+        // We cannot use class javax.xml.transform.TransformerFactory directly since delegation to
+        // the implementation might get inlined, thus resulting in 'javax.xml.transform.TransformerFactory'
+        // not showing up as a used class in the reports (due to '-H:+InlineBeforeAnalysis').
         report.assertContainsNot(javax.xml.transform.TransformerFactory.class);
+        report.assertContainsNot("com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl");
     }
 
 }