diff --git a/doc/conf.py b/doc/conf.py
index 6d9252244b8cf4f62a36833583dafe2b6aedd26c..d986506ac65252aab54cbaa59047f8474293d6af 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -20,8 +20,8 @@ sys.path.insert(0, os.path.abspath('..'))
 # -- Project information -----------------------------------------------------
 
 project = 'Allgo API: Python client'
-copyright = '2019, Sébastien Letort'
-author = 'Sébastien Letort'
+copyright = u"2019, Sébastien Letort"
+author = u"Sébastien Letort"
 
 # The short X.Y version
 version = '0.2'
@@ -135,7 +135,7 @@ latex_elements = {
 #  author, documentclass [howto, manual, or own class]).
 latex_documents = [
     (master_doc, 'AllgoAPIPythonclient.tex', 'Allgo API: Python client Documentation',
-     'Sébastien Letort', 'manual'),
+     u"Sébastien Letort", 'manual'),
 ]