diff --git a/src/libcore/cell.rs b/src/libcore/cell.rs
index 257027dad5ed2..63088ff43f820 100644
--- a/src/libcore/cell.rs
+++ b/src/libcore/cell.rs
@@ -272,8 +272,8 @@ impl<T:Eq + Copy> Eq for Cell<T> {}
 /// See the [module-level documentation](index.html) for more.
 #[stable(feature = "rust1", since = "1.0.0")]
 pub struct RefCell<T: ?Sized> {
-    borrow: Cell<BorrowFlag>,
     value: UnsafeCell<T>,
+    borrow: Cell<BorrowFlag>,
 }
 
 /// An enumeration of values returned from the `state` method on a `RefCell<T>`.