diff --git a/src/unix/bsd/netbsdlike/openbsd/mod.rs b/src/unix/bsd/netbsdlike/openbsd/mod.rs
index d82c3273e67edbf2d547fa01613b439636a3c30a..1e698b47138ec9b06b4620d1d5e2851aaa8fb1ce 100644
--- a/src/unix/bsd/netbsdlike/openbsd/mod.rs
+++ b/src/unix/bsd/netbsdlike/openbsd/mod.rs
@@ -1374,6 +1374,7 @@ f! {
 
 extern "C" {
     pub fn gettimeofday(tp: *mut ::timeval, tz: *mut ::timezone) -> ::c_int;
+    pub fn settimeofday(tp: *const ::timeval, tz: *const ::timezone) -> ::c_int;
     pub fn accept4(
         s: ::c_int,
         addr: *mut ::sockaddr,