diff --git a/instant-xml/src/lib.rs b/instant-xml/src/lib.rs
index 5a8cc66..44c3a52 100644
--- a/instant-xml/src/lib.rs
+++ b/instant-xml/src/lib.rs
@@ -43,7 +43,7 @@ pub fn from_str<'xml, T: FromXml<'xml>>(input: &'xml str) -> Result<T, Error> {
 
 pub fn to_string(value: &(impl ToXml + ?Sized)) -> Result<String, Error> {
     let mut output = String::new();
-    value.serialize(&mut Serializer::new(&mut output))?;
+    to_writer(value, &mut output)?;
     Ok(output)
 }