diff --git a/src/internal/js/mod.rs b/src/internal/js/mod.rs
index f7283bde0..8830d678e 100644
--- a/src/internal/js/mod.rs
+++ b/src/internal/js/mod.rs
@@ -667,6 +667,8 @@ pub struct JsFunction<T: Object=JsObject> {
     marker: PhantomData<T>
 }
 
+impl Object for JsFunction { }
+
 #[repr(C)]
 pub struct FunctionKernel<T: Value>(fn(Call) -> JsResult<T>);