1 files changed, 1 insertions, 1 deletions
diff --git a/src/libstd/io/mod.rs b/src/libstd/io/mod.rs
index bcce8ee6abf..6dd7273c17f 100644
--- a/src/libstd/io/mod.rs
+++ b/src/libstd/io/mod.rs
@@ -1596,7 +1596,7 @@ impl<R: Read> Iterator for Chars<R> {
             }
         }
         Some(match str::from_utf8(&buf[..width]).ok() {
-            Some(s) => Ok(s.char_at(0)),
+            Some(s) => Ok(s.chars().next().unwrap()),
             None => Err(CharsError::NotUtf8),
         })
     }