1 files changed, 2 insertions, 2 deletions

diff --git a/src/yellow/builder.rs b/src/yellow/builder.rs
index 70869952c..878f3ba39 100644
--- a/src/yellow/builder.rs
+++ b/src/yellow/builder.rs
@@ -41,11 +41,11 @@ impl<'a> Sink<'a> for GreenBuilder<'a> {
 
     fn finish_internal(&mut self) {
         let (kind, first_child) = self.parents.pop().unwrap();
-        let children = self.children
+        let children: Vec<_> = self.children
             .drain(first_child..)
             .collect();
         self.children.push(
-            GreenNode::new_branch(kind, children)
+            GreenNode::new_branch(kind, children.into_boxed_slice())
         );
     }