diff --git a/doc/conf.py b/doc/conf.py
index 3b4598c..faa79dc 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -162,6 +162,6 @@
 
 
 # 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)}
 
 autoclass_content = 'both'