diff --git a/Lib/test/test_grammar.py b/Lib/test/test_grammar.py
index 9a88463..eadf1db 100644
--- a/Lib/test/test_grammar.py
+++ b/Lib/test/test_grammar.py
@@ -485,6 +485,14 @@
         global a, b
         global one, two, three, four, five, six, seven, eight, nine, ten
 
+    def testNonlocal(self):
+        # 'nonlocal' NAME (',' NAME)*
+        x = 0
+        y = 0
+        def f():
+            nonlocal x
+            nonlocal x, y
+
     def testAssert(self):
         # assert_stmt: 'assert' test [',' test]
         assert 1