diff --git a/Lib/traceback.py b/Lib/traceback.py
index 11ece25..0c01ac3 100644
--- a/Lib/traceback.py
+++ b/Lib/traceback.py
@@ -168,7 +168,7 @@
 
     stype = etype.__name__
     smod = etype.__module__
-    if smod not in ("__main__", "__builtin__"):
+    if smod not in ("__main__", "builtins"):
         stype = smod + '.' + stype
 
     if not issubclass(etype, SyntaxError):