1 files changed, 2 insertions, 2 deletions
diff --git a/src/ProtocolBuffers.Test/CompatTests/XmlCompatibilityTests.cs b/src/ProtocolBuffers.Test/CompatTests/XmlCompatibilityTests.cs
index e204200d..14616b74 100644
--- a/src/ProtocolBuffers.Test/CompatTests/XmlCompatibilityTests.cs
+++ b/src/ProtocolBuffers.Test/CompatTests/XmlCompatibilityTests.cs
@@ -10,14 +10,14 @@ namespace Google.ProtocolBuffers.CompatTests
         protected override object SerializeMessage<TMessage, TBuilder>(TMessage message)
         {
             StringWriter text = new StringWriter();
-            XmlFormatWriter writer = new XmlFormatWriter(text);
+            XmlFormatWriter writer = XmlFormatWriter.CreateInstance(text);
             writer.WriteMessage("root", message);
             return text.ToString();
         }
 
         protected override TBuilder DeerializeMessage<TMessage, TBuilder>(object message, TBuilder builder, ExtensionRegistry registry)
         {
-            XmlFormatReader reader = new XmlFormatReader((string)message);
+            XmlFormatReader reader = XmlFormatReader.CreateInstance((string)message);
             return reader.Merge("root", builder, registry);
         }
     }