1 files changed, 3 insertions, 3 deletions
diff --git a/components/script/dom/webglprogram.rs b/components/script/dom/webglprogram.rs
index 3f18c0e313b..ad33fc2f22f 100644
--- a/components/script/dom/webglprogram.rs
+++ b/components/script/dom/webglprogram.rs
@@ -6,7 +6,7 @@
 use canvas_traits::CanvasMsg;
 use dom::bindings::codegen::Bindings::WebGLProgramBinding;
 use dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::WebGLRenderingContextConstants as constants;
-use dom::bindings::js::{JS, MutNullableHeap, Root};
+use dom::bindings::js::{MutNullableJS, Root};
 use dom::bindings::reflector::{DomObject, reflect_dom_object};
 use dom::bindings::str::DOMString;
 use dom::webglactiveinfo::WebGLActiveInfo;
@@ -27,8 +27,8 @@ pub struct WebGLProgram {
     is_deleted: Cell<bool>,
     link_called: Cell<bool>,
     linked: Cell<bool>,
-    fragment_shader: MutNullableHeap<JS<WebGLShader>>,
-    vertex_shader: MutNullableHeap<JS<WebGLShader>>,
+    fragment_shader: MutNullableJS<WebGLShader>,
+    vertex_shader: MutNullableJS<WebGLShader>,
     #[ignore_heap_size_of = "Defined in ipc-channel"]
     renderer: IpcSender<CanvasMsg>,
 }