diff --git a/Lib/test/test_exceptions.py b/Lib/test/test_exceptions.py
index b4a766e..20e76b9 100644
--- a/Lib/test/test_exceptions.py
+++ b/Lib/test/test_exceptions.py
@@ -296,3 +296,10 @@
                         ( repr(e), checkArgName,
                             repr(expected[checkArgName]),
                             repr(getattr(e, checkArgName)) ))
+
+try:
+    BaseException(a=1)
+except TypeErrror:
+    pass
+else:
+    raise TestFailed("BaseException shouldn't take keyword args")