diff --git a/src/uu/chroot/src/chroot.rs b/src/uu/chroot/src/chroot.rs
index 6366775c3..b0469ae04 100644
--- a/src/uu/chroot/src/chroot.rs
+++ b/src/uu/chroot/src/chroot.rs
@@ -253,7 +253,7 @@ fn set_main_group(group: &str) -> UResult<()> {
     Ok(())
 }
 
-#[cfg(any(target_vendor = "apple", target_os = "freebsd"))]
+#[cfg(any(target_vendor = "apple", target_os = "freebsd", target_os = "openbsd"))]
 fn set_groups(groups: &[libc::gid_t]) -> libc::c_int {
     unsafe { setgroups(groups.len() as libc::c_int, groups.as_ptr()) }
 }