diff --git a/docs/conf.py b/docs/conf.py
index 9900eea1..1052772a 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -36,6 +36,17 @@
 # import oods.pygments
 import oods.sphinxtheme
 
+# -- Read the Docs --------------------------------------------------------
+
+# Define the canonical URL if you are using a custom domain on Read the Docs
+html_baseurl = os.environ.get("READTHEDOCS_CANONICAL_URL", "")
+
+# Tell Jinja2 templates the build is running on Read the Docs
+if os.environ.get("READTHEDOCS", "") == "True":
+    if "html_context" not in globals():
+        html_context = {}
+    html_context["READTHEDOCS"] = True
+
 # -- General configuration ------------------------------------------------
 
 html_context = {'bods_schema_version': '0.4'}