diff --git a/tests/test_proxy_list.py b/tests/test_proxy_list.py
index 90ba3be2..a61d4364 100644
--- a/tests/test_proxy_list.py
+++ b/tests/test_proxy_list.py
@@ -564,6 +564,18 @@ def test_line_proxy_list_insert_2_at_middle():
     assert red.dumps() == "while a:\n    pass\n    c\n    pass\n"
 
 
+def test_line_proxy_list_insert_comment():
+    red = RedBaron("while a:\n    pass\n")
+    red[0].value.insert(0, "#c")
+    assert red.dumps() == "while a:\n    #c\n    pass\n"
+
+
+def test_line_proxy_list_insert_comment_as_baron():
+    red = RedBaron("while a:\n    pass\n")
+    red[0].value.insert(0, RedBaron("#c"))
+    assert red.dumps() == "while a:\n    #c\n    pass\n"
+
+
 def test_line_proxy_list_append():
     red = RedBaron("while a:\n    pass\n")
     red[0].value.append("c")