diff --git a/doc/sphinx/conf.py.in b/doc/sphinx/conf.py.in
index a08ab1ff9..421189413 100644
--- a/doc/sphinx/conf.py.in
+++ b/doc/sphinx/conf.py.in
@@ -196,7 +196,8 @@ epub_exclude_files = ['search.html']
 # -- Options for intersphinx extension ---------------------------------------
 
 # Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {'https://docs.python.org/3': None}
+intersphinx_mapping = {'python': ('https://docs.python.org/3', None)}
+
 
 # -- Options for todo extension ----------------------------------------------