diff --git a/src/sys/socket/mod.rs b/src/sys/socket/mod.rs
index da58e5e874..e9537c4b0c 100644
--- a/src/sys/socket/mod.rs
+++ b/src/sys/socket/mod.rs
@@ -410,7 +410,9 @@ impl<'a> Iterator for CmsgIterator<'a> {
         }
 
         // Safe if: `self.buf` is `cmsghdr`-aligned.
-        let cmsg: &'a cmsghdr = unsafe { &*(self.buf[..mem::size_of::<cmsghdr>()].as_ptr() as *const cmsghdr) };
+        let cmsg: &'a cmsghdr = unsafe {
+            &*(self.buf[..mem::size_of::<cmsghdr>()].as_ptr() as *const cmsghdr)
+        };
 
         let cmsg_len = cmsg.cmsg_len as usize;