1 files changed, 11 insertions, 2 deletions
diff --git a/components/script/dom/bindings/namespace.rs b/components/script/dom/bindings/namespace.rs
index 2eca9dbd3f2..46079a787c9 100644
--- a/components/script/dom/bindings/namespace.rs
+++ b/components/script/dom/bindings/namespace.rs
@@ -45,8 +45,17 @@ pub(crate) fn create_namespace_object(
     methods: &[Guard<&'static [JSFunctionSpec]>],
     constants: &[Guard<&'static [ConstantSpec]>],
     name: &CStr,
-    rval: MutableHandleObject,
+    mut rval: MutableHandleObject,
 ) {
-    create_object(cx, global, proto, &class.0, methods, &[], constants, rval);
+    create_object(
+        cx,
+        global,
+        proto,
+        &class.0,
+        methods,
+        &[],
+        constants,
+        rval.reborrow(),
+    );
     define_on_global_object(cx, global, name, rval.handle());
 }