diff --git a/pelican/contents.py b/pelican/contents.py
index ddcb37b6..1587a1eb 100644
--- a/pelican/contents.py
+++ b/pelican/contents.py
@@ -38,7 +38,7 @@ class Page(object):
                 self.author = settings['AUTHOR']
             else:
                 self.author = getenv('USER', 'John Doe')
-                warning("Author of `{0}' unknow, assuming that his name is `{1}'".format(filename or self.title, self.author).decode("utf-8"))
+                warning(u"Author of `{0}' unknow, assuming that his name is `{1}'".format(filename or self.title, self.author))
 
         # manage languages
         self.in_default_lang = True