diff --git a/src/unix/linux_like/mod.rs b/src/unix/linux_like/mod.rs
index c70ec08071296..1be6fb45ee191 100644
--- a/src/unix/linux_like/mod.rs
+++ b/src/unix/linux_like/mod.rs
@@ -279,7 +279,7 @@ s! {
 }
 
 #[cfg(libc_union)]
-s_no_extra_traits!{
+s_no_extra_traits! {
     // Can't correctly impl Debug for unions
     #[allow(missing_debug_implementations)]
     #[cfg(libc_union)]
@@ -307,7 +307,7 @@ s_no_extra_traits!{
 }
 
 #[cfg(not(libc_union))]
-s_no_extra_traits!{
+s_no_extra_traits! {
     pub struct sigevent {
         pub sigev_value: ::sigval,
         pub sigev_signo: ::c_int,