@ -1468,7 +1468,7 @@ class Flask(_PackageBoundObject):
"""
funcs = self.url_default_functions.get(None, ())
if '.' in endpoint:
bp = endpoint.split('.', 1)[0]
bp = endpoint.rsplit('.', 1)[0]
funcs = chain(funcs, self.url_default_functions.get(bp, ()))
for func in funcs:
func(endpoint, values)