diff --git a/src/unix/hurd/mod.rs b/src/unix/hurd/mod.rs
index 6b9789a500b45..918bd50a11868 100644
--- a/src/unix/hurd/mod.rs
+++ b/src/unix/hurd/mod.rs
@@ -876,6 +876,7 @@ s! {
         pub release: [::c_char; _UTSNAME_LENGTH],
         pub version: [::c_char; _UTSNAME_LENGTH],
         pub machine: [::c_char; _UTSNAME_LENGTH],
+        pub domainname: [::c_char; _UTSNAME_LENGTH],
     }
 
     pub struct rlimit64 {