diff --git a/tests/by-util/test_tail.rs b/tests/by-util/test_tail.rs
index e8dd63317..28c3580bb 100644
--- a/tests/by-util/test_tail.rs
+++ b/tests/by-util/test_tail.rs
@@ -23,6 +23,15 @@ fn test_stdin_default() {
         .stdout_is_fixture("foobar_stdin_default.expected");
 }
 
+#[test]
+fn test_stdin_explicit() {
+    new_ucmd!()
+        .pipe_in_fixture(FOOBAR_TXT)
+        .arg("-")
+        .run()
+        .stdout_is_fixture("foobar_stdin_default.expected");
+}
+
 #[test]
 fn test_single_default() {
     new_ucmd!()