diff --git a/src/Test/winswTests/ServiceDescriptorTests.cs b/src/Test/winswTests/ServiceDescriptorTests.cs
index f0d092a..5750de1 100644
--- a/src/Test/winswTests/ServiceDescriptorTests.cs
+++ b/src/Test/winswTests/ServiceDescriptorTests.cs
@@ -456,8 +456,7 @@ $@"<service>
 </id>
 ";
 
-            Assert.That(() => ServiceDescriptor.ValidateXMLSchema(new StringReader(seedXml)), Throws.TypeOf<XmlException>());
-
+            Assert.That(() => ServiceDescriptor.FromXML(seedXml), Throws.TypeOf<XmlException>());
         }
     }
 }