1 files changed, 2 insertions, 2 deletions
diff --git a/components/script/dom/htmlbuttonelement.rs b/components/script/dom/htmlbuttonelement.rs
index b954c4a7d34..2b58aaea7a0 100755
--- a/components/script/dom/htmlbuttonelement.rs
+++ b/components/script/dom/htmlbuttonelement.rs
@@ -189,8 +189,8 @@ impl HTMLButtonElement {
 }
 
 impl VirtualMethods for HTMLButtonElement {
-    fn super_type(&self) -> Option<&VirtualMethods> {
-        Some(self.upcast::<HTMLElement>() as &VirtualMethods)
+    fn super_type(&self) -> Option<&dyn VirtualMethods> {
+        Some(self.upcast::<HTMLElement>() as &dyn VirtualMethods)
     }
 
     fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation) {