diff --git a/src/librustc/middle/resolve.rs b/src/librustc/middle/resolve.rs
index f8952454b215..ed2f1db2aa80 100644
--- a/src/librustc/middle/resolve.rs
+++ b/src/librustc/middle/resolve.rs
@@ -23,7 +23,7 @@ use util::nodemap::{NodeMap, DefIdSet, FnvHashMap};
 
 use syntax::ast::{Arm, BindByRef, BindByValue, BindingMode, Block, Crate};
 use syntax::ast::{DeclItem, DefId, Expr, ExprAgain, ExprBreak, ExprField};
-use syntax::ast::{ExprFnBlock, ExprForLoop, ExprLoop, ExprMethodCall};
+use syntax::ast::{ExprFnBlock, ExprForLoop, ExprLoop, ExprWhile, ExprMethodCall};
 use syntax::ast::{ExprPath, ExprProc, ExprStruct, ExprUnboxedFn, FnDecl};
 use syntax::ast::{ForeignItem, ForeignItemFn, ForeignItemStatic, Generics};
 use syntax::ast::{Ident, ImplItem, Item, ItemEnum, ItemFn, ItemForeignMod};