diff --git a/website/gatsby-config.js b/website/gatsby-config.js
index 5b6ddcfc1..f0e97cf5c 100644
--- a/website/gatsby-config.js
+++ b/website/gatsby-config.js
@@ -14,11 +14,11 @@ const models = require('./meta/languages.json')
 const universe = require('./meta/universe.json')
 
 const DEFAULT_TEMPLATE = path.resolve('./src/templates/index.js')
-const NIGHTLY_BRANCHES = ['spacy.io-develop']
 
-const isNightly = !!+process.env.SPACY_NIGHTLY || NIGHTLY_BRANCHES.includes(process.env.BRANCH)
+const isNightly = !!+process.env.SPACY_NIGHTLY || site.nightlyBranches.includes(process.env.BRANCH)
 const favicon = isNightly ? `src/images/icon_nightly.png` : `src/images/icon.png`
 const binderBranch = isNightly ? 'nightly' : site.binderBranch
+const siteUrl = isNightly ? site.siteUrlNightly : site.siteUrl
 
 module.exports = {
     siteMetadata: {
@@ -29,6 +29,7 @@ module.exports = {
         universe,
         nightly: isNightly,
         binderBranch,
+        siteUrl,
     },
 
     plugins: [
diff --git a/website/meta/site.json b/website/meta/site.json
index 8b8424f82..ed78b1802 100644
--- a/website/meta/site.json
+++ b/website/meta/site.json
@@ -3,6 +3,8 @@
     "description": "spaCy is a free open-source library for Natural Language Processing in Python. It features NER, POS tagging, dependency parsing, word vectors and more.",
     "slogan": "Industrial-strength Natural Language Processing in Python",
     "siteUrl": "https://spacy.io",
+    "siteUrlNightly": "https://nightly.spacy.io",
+    "nightlyBranches": ["spacy.io-develop"],
     "email": "contact@explosion.ai",
     "company": "Explosion AI",
     "companyUrl": "https://explosion.ai",