diff --git a/tests/sort_simple_yaml_test.py b/tests/sort_simple_yaml_test.py
index 6cbda857..d83774b3 100644
--- a/tests/sort_simple_yaml_test.py
+++ b/tests/sort_simple_yaml_test.py
@@ -36,6 +36,32 @@
         ['# i am', '# a header'],
         RETVAL_GOOD,
     ),
+
+    (
+        [
+            '# top of file',
+            '# header',
+            '',
+            'b: 42',
+            '',
+            ' # a comment with leading space',
+            'e: 1',
+            '',
+            'c: true',
+        ],
+        [
+            '# top of file',
+            '# header',
+            '',
+            'b: 42',
+            '',
+            'c: true',
+            '',
+            ' # a comment with leading space',
+            'e: 1',
+        ],
+        RETVAL_BAD,
+    ),
 ]