Don't shadow lifetimes in script.

1 files changed, 1 insertions, 1 deletions

diff --git a/components/script/dom/htmloptgroupelement.rs b/components/script/dom/htmloptgroupelement.rs
index ca3cefeead2..d9d0e0cd2c4 100644
--- a/components/script/dom/htmloptgroupelement.rs
+++ b/components/script/dom/htmloptgroupelement.rs
@@ -54,7 +54,7 @@ impl<'a> HTMLOptGroupElementMethods for JSRef<'a, HTMLOptGroupElement> {
 }
 
 impl<'a> VirtualMethods for JSRef<'a, HTMLOptGroupElement> {
-    fn super_type<'a>(&'a self) -> Option<&'a VirtualMethods> {
+    fn super_type<'b>(&'b self) -> Option<&'b VirtualMethods> {
         let htmlelement: &JSRef<HTMLElement> = HTMLElementCast::from_borrowed_ref(self);
         Some(htmlelement as &VirtualMethods)
     }