diff --git a/tests/by-util/test_numfmt.rs b/tests/by-util/test_numfmt.rs
index 49de861fb..bcae09aa3 100644
--- a/tests/by-util/test_numfmt.rs
+++ b/tests/by-util/test_numfmt.rs
@@ -399,6 +399,14 @@ fn test_format_selected_field_range() {
         .stdout_only("1K 2000 3000 4000 5000 6K\n");
 }
 
+#[test]
+fn test_format_all_fields() {
+    new_ucmd!()
+        .args(&["--from=auto", "--field", "-", "1K 2K 3K 4K 5K 6K"])
+        .succeeds()
+        .stdout_only("1000 2000 3000 4000 5000 6000\n");
+}
+
 #[test]
 fn test_should_succeed_if_range_out_of_bounds() {
     new_ucmd!()