diff --git a/src/libstd/ffi/c_str.rs b/src/libstd/ffi/c_str.rs
index 587eb0f1cea27..5c2ada6cbcd56 100644
--- a/src/libstd/ffi/c_str.rs
+++ b/src/libstd/ffi/c_str.rs
@@ -64,7 +64,7 @@ use vec::Vec;
 #[derive(PartialEq, PartialOrd, Eq, Ord, Hash, Clone)]
 #[stable(feature = "rust1", since = "1.0.0")]
 pub struct CString {
-    inner: Box<[u8]>,
+    inner: Box<[u8]>
 }
 
 /// Representation of a borrowed C string.