diff --git a/Lib/test/test_fstring.py b/Lib/test/test_fstring.py
index 655819425d13..92995fd83e38 100644
--- a/Lib/test/test_fstring.py
+++ b/Lib/test/test_fstring.py
@@ -186,6 +186,8 @@ def test_comments(self):
                             ["f'{1#}'",   # error because the expression becomes "(1#)"
                              "f'{3(#)}'",
                              "f'{#}'",
+                             "f'{)#}'",   # When wrapped in parens, this becomes
+                                          #  '()#)'.  Make sure that doesn't compile.
                              ])
 
     def test_many_expressions(self):