diff --git a/smithy-aws-protocol-tests/model/restXml/main.smithy b/smithy-aws-protocol-tests/model/restXml/main.smithy
index 3841d31295b..afe0928bd8d 100644
--- a/smithy-aws-protocol-tests/model/restXml/main.smithy
+++ b/smithy-aws-protocol-tests/model/restXml/main.smithy
@@ -83,6 +83,7 @@ service RestXml {
         XmlMaps,
         XmlMapsXmlName,
         NestedXmlMaps,
+        NestedXmlMapWithXmlName,
         FlattenedXmlMap,
         FlattenedXmlMapWithXmlName,
         FlattenedXmlMapWithXmlNamespace,