diff --git a/src/uucore/src/lib/features/utmpx.rs b/src/uucore/src/lib/features/utmpx.rs
index f1b692e7c..4a101e22c 100644
--- a/src/uucore/src/lib/features/utmpx.rs
+++ b/src/uucore/src/lib/features/utmpx.rs
@@ -190,7 +190,7 @@ impl Utmpx {
     pub fn canon_host(&self) -> IOResult<String> {
         const AI_CANONNAME: libc::c_int = 0x2;
         let host = self.host();
-        let host = host.split(':').nth(0).unwrap();
+        let host = host.split(':').next().unwrap();
         let hints = libc::addrinfo {
             ai_flags: AI_CANONNAME,
             ai_family: 0,