diff --git a/test/test_devalue.py b/test/test_devalue.py
index 989097dffe..4ae1c92f25 100644
--- a/test/test_devalue.py
+++ b/test/test_devalue.py
@@ -171,6 +171,11 @@
     'unparsed': [],
     'error': IndexError,
     'pattern': r'list index out of range',
+}, {
+    'name': 'Python negative indexing',
+    'unparsed': [[1, 2, 3, 4, 5, 6, 7, -7], 1, 2, 3, 4, 5, 6, 7],
+    'error': IndexError,
+    'pattern': r'invalid index: -7',
 }]