diff --git a/tests/sort.rs b/tests/sort.rs
index 25f47163c..ef6bdc4b1 100644
--- a/tests/sort.rs
+++ b/tests/sort.rs
@@ -38,7 +38,7 @@ fn numeric6() {
 
 #[test]
 fn human1() {
-    test_helper(&String::from("human1"), &String::from("-H"));
+    test_helper(&String::from("human1"), &String::from("-h"));
 }
 
 #[test]