diff --git a/Lib/traceback.py b/Lib/traceback.py
index 95cde2b..d4a4011 100644
--- a/Lib/traceback.py
+++ b/Lib/traceback.py
@@ -157,7 +157,8 @@
     which exception occurred is the always last string in the list.
     """
     list = []
-    if type(etype) == types.ClassType:
+    if (type(etype) == types.ClassType
+        or (isinstance(etype, type) and issubclass(etype, Exception))):
         stype = etype.__name__
     else:
         stype = etype