diff --git a/Lib/test/test_grammar.py b/Lib/test/test_grammar.py
index 0e59367..e749e44 100644
--- a/Lib/test/test_grammar.py
+++ b/Lib/test/test_grammar.py
@@ -299,6 +299,7 @@
         self.assertEquals(l5(1, 2), 5)
         self.assertEquals(l5(1, 2, 3), 6)
         check_syntax_error(self, "lambda x: x = 2")
+        check_syntax_error(self, "lambda (None,): None")
 
     ### stmt: simple_stmt | compound_stmt
     # Tested below