diff --git a/src/unix/bsd/netbsdlike/openbsd/mod.rs b/src/unix/bsd/netbsdlike/openbsd/mod.rs
index d82c3273..f70fddf5 100644
--- a/src/unix/bsd/netbsdlike/openbsd/mod.rs
+++ b/src/unix/bsd/netbsdlike/openbsd/mod.rs
@@ -1374,6 +1374,10 @@ 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,