Index: src/Products/Five/browser/metaconfigure.py
===================================================================
--- src/Products/Five/browser/metaconfigure.py	(revision 129446)
+++ src/Products/Five/browser/metaconfigure.py	(working copy)
@@ -59,6 +59,7 @@
          attribute='__call__', menu=None, title=None,
          ):
 
+    name = str(name)  # De-unicode
     _handle_menu(_context, menu, title, [for_], name, permission)
 
     if not (class_ or template):