1 files changed, 2 insertions, 1 deletions
diff --git a/src/libstd/sys/windows/os.rs b/src/libstd/sys/windows/os.rs
index fa08290a888..210feb9aee7 100644
--- a/src/libstd/sys/windows/os.rs
+++ b/src/libstd/sys/windows/os.rs
@@ -17,6 +17,7 @@ use prelude::*;
 
 use fmt;
 use io::{IoResult, IoError};
+use iter::repeat;
 use libc::{c_int, c_char, c_void};
 use libc;
 use os;
@@ -130,7 +131,7 @@ pub fn fill_utf16_buf_and_decode(f: |*mut u16, DWORD| -> DWORD) -> Option<String
         let mut res = None;
         let mut done = false;
         while !done {
-            let mut buf = Vec::from_elem(n as uint, 0u16);
+            let mut buf: Vec<u16> = repeat(0u16).take(n).collect();
             let k = f(buf.as_mut_ptr(), n);
             if k == (0 as DWORD) {
                 done = true;