diff --git a/tests/by-util/test_ls.rs b/tests/by-util/test_ls.rs
index a6835f279d3..2eef6912162 100644
--- a/tests/by-util/test_ls.rs
+++ b/tests/by-util/test_ls.rs
@@ -2311,15 +2311,56 @@ fn test_ls_version_sort() {
     let scene = TestScenario::new(util_name!());
     let at = &scene.fixtures;
     for filename in [
-        "a2", "b1", "b20", "a1.4", "b3", "b11", "b20b", "b20a", "a100", "a1.13", "aa", "a1", "aaa",
-        "abab", "ab", "a01.40", "a001.001",
+        "a2",
+        "b1",
+        "b20",
+        "a1.4",
+        "a1.40",
+        "b3",
+        "b11",
+        "b20b",
+        "b20a",
+        "a100",
+        "a1.13",
+        "aa",
+        "a1",
+        "aaa",
+        "a1.00000040",
+        "abab",
+        "ab",
+        "a01.40",
+        "a001.001",
+        "a01.0000001",
+        "a01.001",
+        "a001.01",
     ] {
         at.touch(filename);
     }
 
     let mut expected = vec![
-        "a1", "a001.001", "a1.4", "a1.13", "a01.40", "a2", "a100", "aa", "aaa", "ab", "abab", "b1",
-        "b3", "b11", "b20", "b20a", "b20b", "", // because of '\n' at the end of the output
+        "a1",
+        "a001.001",
+        "a001.01",
+        "a01.0000001",
+        "a01.001",
+        "a1.4",
+        "a1.13",
+        "a01.40",
+        "a1.00000040",
+        "a1.40",
+        "a2",
+        "a100",
+        "aa",
+        "aaa",
+        "ab",
+        "abab",
+        "b1",
+        "b3",
+        "b11",
+        "b20",
+        "b20a",
+        "b20b",
+        "", // because of '\n' at the end of the output
     ];
 
     let result = scene.ucmd().arg("-1v").succeeds();