2 files changed, 2 insertions, 2 deletions
diff --git a/src/libstd/num/int_macros.rs b/src/libstd/num/int_macros.rs
index 8a7bea46585..f7813c31d4d 100644
--- a/src/libstd/num/int_macros.rs
+++ b/src/libstd/num/int_macros.rs
@@ -83,7 +83,7 @@ impl ToStrRadix for $T {
         });
         // We know we generated valid utf-8, so we don't need to go through that
         // check.
-        unsafe { str::raw::from_utf8_owned(buf.move_iter().collect()) }
+        unsafe { str::raw::from_utf8(buf.as_slice()).to_owned() }
     }
 }
 
diff --git a/src/libstd/num/uint_macros.rs b/src/libstd/num/uint_macros.rs
index 3e64c171613..814ea0e4274 100644
--- a/src/libstd/num/uint_macros.rs
+++ b/src/libstd/num/uint_macros.rs
@@ -84,7 +84,7 @@ impl ToStrRadix for $T {
         });
         // We know we generated valid utf-8, so we don't need to go through that
         // check.
-        unsafe { str::raw::from_utf8_owned(buf.move_iter().collect()) }
+        unsafe { str::raw::from_utf8(buf.as_slice()).to_owned() }
     }
 }