diff --git a/parse_string.cpp b/parse_string.cpp
index d412ac4..4d7ae9a 100644
--- a/parse_string.cpp
+++ b/parse_string.cpp
@@ -97,6 +97,7 @@
 DEFINE_PARSE_STREAMIN_FOR_ENUM(KernelConfigType);
 DEFINE_PARSE_STREAMIN_FOR_ENUM(Tristate);
 DEFINE_PARSE_STREAMIN_FOR_ENUM(SchemaType);
+DEFINE_PARSE_STREAMIN_FOR_ENUM(XmlSchemaFormat);
 
 std::ostream &operator<<(std::ostream &os, const KernelConfigTypedValue &kctv) {
     switch (kctv.mType) {