diff --git a/src/uu/shuf/src/shuf.rs b/src/uu/shuf/src/shuf.rs
index 64e56a198..0b62ec84a 100644
--- a/src/uu/shuf/src/shuf.rs
+++ b/src/uu/shuf/src/shuf.rs
@@ -7,7 +7,7 @@
 
 // spell-checker:ignore (ToDO) cmdline evec seps rvec fdata
 
-use clap::{crate_version, Arg, Command};
+use clap::{crate_version, Arg, Command, Values};
 use rand::prelude::SliceRandom;
 use rand::RngCore;
 use std::fs::File;
@@ -76,11 +76,9 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
 
     let options = Options {
         head_count: {
-            let headcounts: Vec<&str> = matches
-                .values_of(options::HEAD_COUNT)
-                .unwrap_or_default()
-                .collect();
-            match parse_head_count(&headcounts) {
+            let mut headcounts: Values<'_> =
+                matches.values_of(options::HEAD_COUNT).unwrap_or_default();
+            match parse_head_count(&mut headcounts) {
                 Ok(val) => val,
                 Err(msg) => return Err(USimpleError::new(1, msg)),
             }
@@ -298,7 +296,7 @@ fn parse_range(input_range: &str) -> Result<(usize, usize), String> {
     }
 }
 
-fn parse_head_count(headcounts: &[&str]) -> Result<usize, String> {
+fn parse_head_count(headcounts: &mut Values<'_>) -> Result<usize, String> {
     let mut result = std::usize::MAX;
     for count in headcounts {
         match count.parse::<usize>() {
diff --git a/tests/by-util/test_shuf.rs b/tests/by-util/test_shuf.rs
index dc3355dff..1f67416da 100644
--- a/tests/by-util/test_shuf.rs
+++ b/tests/by-util/test_shuf.rs
@@ -202,11 +202,11 @@ fn test_shuf_multiple_input_line_count() {
     let result = new_ucmd!()
         .args(&["-i10-200", "-n", "10", "-n", "5"])
         .succeeds();
-    result.no_stderr();    
-    let result_seq: Vec<&str> = result
+    result.no_stderr();
+
+    let result_seq = result
         .stdout_str()
         .split('\n')
-        .filter(|x| !x.is_empty())
-        .collect();
-    assert_eq!(result_seq.len(), 5, "Output should have 5 items");
+        .filter(|x| !x.is_empty());
+    assert_eq!(result_seq.count(), 5, "Output should have 5 items");
 }