diff --git a/src/unix/linux_like/linux/mod.rs b/src/unix/linux_like/linux/mod.rs
index b763ab6261bb9..4e513364a1a1a 100644
--- a/src/unix/linux_like/linux/mod.rs
+++ b/src/unix/linux_like/linux/mod.rs
@@ -509,7 +509,8 @@ s! {
         pub svm_reserved1: ::c_ushort,
         pub svm_port: ::c_uint,
         pub svm_cid: ::c_uint,
-        pub svm_zero: [u8; 4]
+        pub svm_flags: u8,
+        pub svm_zero: [u8; 3]
     }
 
     pub struct regmatch_t {