1 files changed, 1 insertions, 3 deletions
diff --git a/library/std/src/sys/windows/os_str.rs b/library/std/src/sys/windows/os_str.rs
index 11883f15022..4bdd8c505ff 100644
--- a/library/std/src/sys/windows/os_str.rs
+++ b/library/std/src/sys/windows/os_str.rs
@@ -164,9 +164,7 @@ impl Slice {
     }
 
     pub fn to_owned(&self) -> Buf {
-        let mut buf = Wtf8Buf::with_capacity(self.inner.len());
-        buf.push_wtf8(&self.inner);
-        Buf { inner: buf }
+        Buf { inner: self.inner.to_owned() }
     }
 
     pub fn clone_into(&self, buf: &mut Buf) {