diff --git a/instant-xml/src/impls.rs b/instant-xml/src/impls.rs
index 340bf57..f59679e 100644
--- a/instant-xml/src/impls.rs
+++ b/instant-xml/src/impls.rs
@@ -518,6 +518,16 @@ impl<'xml, T: FromXml<'xml>> FromXml<'xml> for Vec<T> {
 }
 
 impl<T: ToXml> ToXml for Vec<T> {
+    fn serialize<W: fmt::Write + ?Sized>(
+        &self,
+        field: Option<Id<'_>>,
+        serializer: &mut Serializer<W>,
+    ) -> Result<(), Error> {
+        self.as_slice().serialize(field, serializer)
+    }
+}
+
+impl<T: ToXml> ToXml for [T] {
     fn serialize<W: fmt::Write + ?Sized>(
         &self,
         field: Option<Id<'_>>,