diff --git a/src/servo/dom/bindings/utils.rs b/src/servo/dom/bindings/utils.rs
index 70105cf77db..11eabd1f8a4 100644
--- a/src/servo/dom/bindings/utils.rs
+++ b/src/servo/dom/bindings/utils.rs
@@ -540,7 +540,7 @@ pub extern fn ThrowingConstructor(_cx: *JSContext, _argc: uint, _vp: *JSVal) ->
 }
 
 pub fn initialize_global(global: *JSObject) {
-    let protoArray = @mut ~[0 as *JSObject, ..3]; //XXXjdm prototypes::_ID_COUNT
+    let protoArray = @mut ([0 as *JSObject, ..3]); //XXXjdm prototypes::_ID_COUNT
     unsafe {
         //XXXjdm we should be storing the box pointer instead of the inner
         let box = squirrel_away(protoArray);