diff --git a/src/id/id.rs b/src/id/id.rs
index 27c6fb189..c8bd4f476 100644
--- a/src/id/id.rs
+++ b/src/id/id.rs
@@ -238,7 +238,7 @@ fn pretty(possible_pw: Option<Passwd>) {
 
 #[cfg(any(target_os = "macos", target_os = "freebsd"))]
 fn pline(possible_uid: Option<uid_t>) {
-    let uid = possible_uid.unwrap_or(getuid());
+    let uid = possible_uid.unwrap_or_else(getuid);
     let pw = Passwd::locate(uid).unwrap();
 
     println!(