1 files changed, 1 insertions, 1 deletions
diff --git a/src/ser.rs b/src/ser.rs
index e4b62f7..2365b38 100644
--- a/src/ser.rs
+++ b/src/ser.rs
@@ -423,7 +423,7 @@ impl<'a, 'b> ser::Serializer for &'b mut Serializer<'a> {
                               _variant_index: u32,
                               _variant: &'static str)
                               -> Result<(), Self::Error> {
-        Err(Error::UnsupportedType)
+        self.serialize_str(_variant)
     }
 
     fn serialize_newtype_struct<T: ?Sized>(self, _name: &'static str, value: &T)